Results for "Reinforcement Schedules"

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● Unique Corporate Culture: Zappos integrates happiness and motivation into its core principles, providing exceptional benefits and maintaining a flat organizational structure to enhance employee motivation and satisfaction. Motivational Strategies: The company emphasizes personal connections in customer interactions, offers substantial training with an option to quit, and focuses on creating a fulfilling work environment, reflecting a deep commitment to employee happiness and motivation. —--------------------------------------- Overview of Early Motivation Studies: ● Early motivation studies focused on understanding how individual needs drive employees to demonstrate goal-oriented behavior in order to satisfy these needs. For instance, an employee seeking companionship might frequently engage in conversations around the office to fulfill this need. Key Theories of Motivation: 1. Maslow’s Hierarchy of Needs: ○ Developed by Abraham Maslow, this theory posits that human needs are organized hierarchically from the most basic to higher-level needs. ○ Levels of Needs: ■ Physiological Needs: Basic survival needs like food and water. ■ Safety Needs: Protection from danger and stability. ■ Social Needs: Desire for relationships and belonging. ■ Esteem Needs: Need for respect, recognition, and self-esteem. ■ Self-Actualization: The pursuit of realizing one’s full potential and engaging in activities that lead to growth and fulfillment. ○ Maslow’s theory suggests that once a lower-level need is satisfied, it ceases to be a motivator, and the individual moves to satisfy higher-level needs. 2. ERG Theory (Clayton Alderfer): ○ This theory modifies Maslow’s hierarchy by categorizing needs into three groups: ■ Existence Needs: Corresponds to Maslow’s physiological and safety needs. ■ Relatedness Needs: Links to social needs. ■ Growth Needs: Encompasses esteem and self-actualization needs. ○ ERG theory does not maintain a strict hierarchy and acknowledges that multiple needs can be motivational at the same time. It introduces the concept of “frustration-regression, ” where individuals revert to satisfying lower-level needs if they cannot satisfy higher-level ones. 3. Herzberg’s Two-Factor Theory: ○ Frederick Herzberg identified two sets of factors that impact motivation: ■ Hygiene Factors: Elements like company policies, salary, and working conditions, which can cause dissatisfaction if not addressed. ■ Motivators: Factors intrinsic to the job such as achievement, recognition, and growth opportunities, which truly motivate employees to perform better. ○ Herzberg argued that improving hygiene factors alone does not increase job satisfaction; instead, motivators are crucial for enhancing employee motivation. 4. McClelland’s Acquired-Needs Theory: ○ David McClelland proposed that individuals develop certain needs based on their life experiences, which are: ■ Need for Achievement: Desire to excel and achieve in relation to a set of standards. ■ Need for Affiliation: Desire for friendly and close interpersonal relationships. ■ Need for Power: Desire to make an impact, influence others, and have authority. ○ The dominant need influences an individual’s behavior at work and their suitability for certain roles. For example, high achievement needs are effective in roles with clear performance metrics, while high affiliation needs are beneficial in cooperative roles. Applications and Implications: ● ● Understanding these needs and theories helps managers create work environments that satisfy employee needs, thus motivating them effectively. The theories emphasize the importance of recognizing the diversity of employee needs and tailoring motivational approaches accordingly. Critiques and Limitations: ● ● While these theories have been influential, they also face criticisms such as the rigidity of need hierarchy (Maslow) and the oversimplification of motivational factors (Herzberg). Despite criticisms, these theories provide valuable frameworks for understanding employee motivation and designing effective management practices. Here’s a detailed summary of the process-based theories of motivation, as outlined in your text: Overview of Process-Based Theories of Motivation: ● Process-based theories view motivation as a rational process where individuals analyze their environment, develop thoughts and feelings, and react accordingly. This perspective focuses on understanding the cognitive processes that underpin motivated behavior. Equity Theory (Adams, 1965): ● ● ● ● ● Core Concept: People are motivated by fairness, which they assess through social comparisons of input-outcome ratios with others (referents). Inputs and Outcomes: Inputs are contributions (e.g., effort, skill), while outcomes are what people receive in return (e.g., pay, recognition). Perceptions of Equity: Fairness is perceived when one’s ratio of input to outcome matches that of their referent. Responses to Inequity: Responses can include altering perceptions, changing the input level, adjusting outcomes, or even leaving the situation. Overpayment and Underpayment: Reactions differ based on whether individuals feel over-rewarded or under-rewarded, influencing their motivation and actions. Expectancy Theory (Vroom, 1964; Porter & Lawler, 1968): ● ● Core Concept: Motivation is determined by an individual’s rational calculation of expectancy (effort will lead to performance), instrumentality (performance will lead to outcomes), and valence (value of the outcomes). Application: This theory is useful for understanding how beliefs about the relationships between effort, performance, and rewards motivate people to act in certain ways. Reinforcement Theory: ● ● ● Core Concept: Behavior is shaped by its consequences, either reinforcing desired behaviors or discouraging undesired ones. Types of Reinforcement: ○ Positive Reinforcement: Increases desirable behavior by offering positive outcomes. ○ Negative Reinforcement: Increases behavior by removing negative conditions. ○ Punishment: Decreases undesired behavior through negative consequences. ○ Extinction: Reduces behavior by removing rewards. Reinforcement Schedules: Different schedules (continuous, fixed-ratio, variable-ratio) affect the durability and quality of behavior changes. Procedural and Interactional Justice: ● Beyond distributive justice (fairness of outcomes), procedural (fairness of processes used to determine outcomes) and interactional justice (treatment of individuals in the enactment of procedures) are crucial in shaping perceptions of fairness and, consequently, motivation. OB Toolbox for Fairness: ● Recommendations include recognizing diverse contributions, ensuring fairness in decision-making, treating people with respect, and maintaining transparency in rules and decisions. Organizational Behavior Modification (OB Mod): ● A systematic application of reinforcement theory in organizations to modify employee behaviors. It involves identifying behaviors, measuring baseline levels, analyzing antecedents and consequences, implementing interventions, and evaluating outcomes. Key Success Factors: 1. 2. 3. Employee Empowerment: Employees at Nucor are treated as company owners, empowered to make decisions and take actions that affect their work and the company’s operations directly. Decentralized Structure: Authority and responsibility are pushed down to lower levels, allowing line workers to undertake tasks typically reserved for management. Innovative Reward System: Nucor’s compensation strategy includes high base wages, significant annual bonuses, and profit sharing, with a strong link to company and individual performance. Modern Approaches to Job Design: ● ● ● Job Rotation: This involves periodically shifting employees to different tasks to alleviate monotony and enhance skills. Job Enlargement: Expands job tasks to add variety and increase employee engagement and satisfaction. Job Enrichment: Provides more autonomy over how tasks are performed, increasing responsibility and potentially improving job satisfaction and productivity. Job Characteristics Model (Hackman & Oldham, 1975): Identifies five core job dimensions that impact three critical psychological states, influencing job outcomes: 1. Skill Variety 2. Task Identity 3. Task Significance 4. Autonomy 5. Feedback These dimensions contribute to feelings of meaningfulness, responsibility, and understanding of results, leading to high internal work motivation, job satisfaction, and reduced absenteeism. Empowerment: ● Extends the concept of autonomy by removing barriers that limit the potential of ● ● employees. Structurally empowered employees, who are provided with information, resources, and support to make decisions, tend to have higher job satisfaction and performance. Effective empowerment also requires a supportive management and organizational culture that genuinely delegates decision-making power to employees. Summary: Motivating Employees Through Goal Setting Goal-Setting Theory: Goal-setting is a powerful method of motivation, supported by extensive research showing that effectively set goals can enhance employee performance significantly. This approach has been broadly adopted across various sectors, including major corporations globally. SMART Goals: Effective goals are SMART—Specific, Measurable, Aggressive, Realistic, and Time-bound: ● ● ● Specific and Measurable: Goals should be clear and quantifiable to ensure performance can be evaluated accurately. Aggressive: Goals should be challenging to stimulate higher performance. Realistic: While goals should be ambitious, they must also be achievable to maintain motivation. ● Time-Bound: A clear timeline increases urgency and helps focus efforts. Why SMART Goals Motivate: Goals clarify the direction and energize employees towards achieving specific outcomes. They also encourage innovative thinking to meet challenging targets and create a sense of accomplishment upon achieving these goals. Conditions for Effective Goals: ● ● ● Feedback: Regular feedback helps align employee's efforts with their goals. Ability: Employees need the requisite skills and knowledge to achieve their goals. Goal Commitment: Commitment to goals is crucial for their effectiveness, which can be enhanced by involving employees in the goal-setting process and ensuring the goals align with their values and capabilities. Potential Downsides of Goal Setting: ● ● Goals can reduce adaptability to changing circumstances if too rigid. Overemphasis on specific goals can lead to neglect of other important duties or unethical behavior to achieve targets. Summary: Motivating Employees Through Performance Appraisals Overview: Performance appraisals are a formal process used by organizations to assess and provide feedback on employee performance. These appraisals are crucial for employee motivation, informing decisions on rewards, promotions, and terminations. Key Features of Effective Appraisals: Effective appraisals are characterized by: ● ● ● Adequate Notice: Employees are informed about the criteria ahead of time. Fair Hearing: Appraisals include two-way communication. Evidence-Based Judgment: Decisions are based on documented performance evidence. When properly managed, performance appraisals are valuable tools for motivating employees, enhancing their development, and aligning their goals with organizational objectives. Effective appraisals require clear criteria, fair processes, and regular feedback to truly benefit both employees and the organization. Summary: Motivating Employees Through Performance Incentives Incentive Systems Overview: Incentive systems link employee pay to performance, either on an individual or company-wide basis. Common in many organizations, these systems are designed to implement motivation theories practically, aiming to boost productivity, profits, and employee commitment through various forms of financial rewards. Types of Incentives: 1. 2. 3. 4. 5. 6. 7. 8. Piece Rate Systems: Compensation is based on the quantity of output produced. Effective in environments where output is easily measurable. Individual Bonuses: One-time rewards for achieving specific goals, enhancing motivation by providing clear, achievable targets. Merit Pay: Ongoing pay raises based on past performance, typically determined through performance appraisals. Can lead to a sense of entitlement if not carefully managed. Sales Commissions: Compensation linked to the volume or profitability of sales. Needs careful structuring to align with company goals and encourage desirable behaviors. Team Bonuses: Rewards based on team performance, suitable in environments where teamwork and collective performance are critical. Gainsharing: Rewards employees for performance improvements over previous periods, typically through cost savings or efficiency gains, fostering a culture of continuous improvement. Profit Sharing: Distributes a portion of company profits among employees, fostering loyalty and a sense of ownership among staff. Stock Options: Provides employees the option to buy company stock at a future date at a predetermined price, aligning employee interests with those of the company. Effectiveness and Challenges: While financial incentives can be powerful motivators, they also have potential downsides such as promoting risk-averse behavior and diminishing creativity. Incentives may also lead employees to focus narrowly on rewarded behaviors, potentially at the expense of other important duties or organizational citizenship behaviors. Key Considerations for Effective Incentives: ● ● ● Incentives should be clearly aligned with organizational goals and strategies. The structure of incentives should balance between encouraging desired behaviors and allowing flexibility to adapt to changing circumstances. Companies should be aware of the potential for incentives to encourage unethical behavior or excessive risk-taking. Conclusion: Properly designed and implemented, performance incentives can significantly enhance motivation and performance. However, they require careful management to ensure they support broader organizational objectives and promote a healthy, collaborative, and innovative work culture. Overview of Trait Approaches: Early leadership studies focused on identifying traits that distinguish leaders from non-leaders, exploring various personality characteristics and physical attributes. Although initially deemed inconclusive, modern research, particularly with the advent of the Big Five personality framework, has successfully linked certain traits with leadership capabilities. Key Leadership Traits: 1. Intelligence: Both general mental ability (IQ) and emotional intelligence (EQ) are associated with leadership emergence and effectiveness. EQ's role becomes critical in managing oneself and interpersonal relationships effectively. 2. Big Five Personality Traits: ○ Extraversion: Strongly correlated with leadership emergence and effectiveness; extraverts' sociability and assertiveness make them visible leader candidates. ○ Conscientiousness: Organized and persistent traits contribute to leadership emergence and effectiveness. ○ Openness to Experience: Creativity and openness to new experiences are linked to innovative leadership. 3. Self-Esteem: High self-esteem enhances an individual's self-confidence and leadership perception. 4. Integrity: Honesty and moral integrity are crucial for leaders to maintain trustworthiness and ethical standards. Limitations of Trait Approaches: Trait approaches initially failed to consider situational contexts which can significantly influence leadership effectiveness. The recognition of this limitation led to a more nuanced understanding that the effectiveness of certain traits may depend heavily on specific organizational contexts or scenarios. Application in Modern Leadership: Understanding the impact of these traits helps in selecting and developing effective leaders. It’s recognized that the relevance of specific traits can vary, depending on the organizational context and the specific demands of the leadership role. Conclusion: Trait theories have evolved to highlight the importance of both identifying essential leadership traits and understanding the situational factors that influence the effectiveness of these traits in various leadership contexts. This dual focus aids in the more targeted development and placement of leaders within organizations. Leader Decision Making: Leaders use various decision-making styles, which include: 1. 2. Authoritarian: The leader makes decisions unilaterally. Democratic: Employees participate in the decision-making process. 3. Laissez-Faire: The leader provides minimal guidance and allows employees to make decisions independently. The effectiveness of these styles varies based on the organizational context and the specific situation, with democratic styles generally increasing employee satisfaction but not necessarily impacting productivity significantly. Laissez-faire leadership is often negatively associated with employee satisfaction and effectiveness. Leadership Assumptions about Human Nature: Douglas McGregor’s Theory X and Theory Y outline two opposing perceptions of employee motivation: ● Theory X: Assumes employees are inherently lazy and require strict supervision and ● control. Theory Y: Views employees as self-motivated and responsive to tasks that are satisfying and fulfilling. Leaders' assumptions about human nature can influence their management style, with Theory Y leaders tending to be more supportive and empowering. Limitations of Behavioral Approaches: Behavioral approaches to leadership are criticized for their failure to consider the context in which leadership occurs. What works in one organizational setting might not work in another, indicating the necessity for leaders to adapt their behaviors to the specific demands and culture of their organization. Key Takeaway: Behavioral approaches highlight the importance of leaders’ actions and their decision-making styles in influencing their effectiveness and the satisfaction of their teams. These approaches also underscore the need for adaptability in leadership practices, reflecting the varying needs of different organizational environments. ● ● ● ● ● Contingency Leadership Context: Leadership effectiveness varies with the situation; no single style is universally effective. Fiedler’s Contingency Theory: Categorizes leaders as task-oriented or relationship-oriented. Effectiveness depends on the match between a leader's style and situational favorableness, influenced by leader-member relations, task structure, and leader's power. Situational Leadership Theory (SLT): Proposes adjusting leadership style based on follower readiness, combining directive and supportive behaviors to meet follower development needs. Path-Goal Theory: Based on expectancy theory of motivation, leaders facilitate employee paths to goals by adjusting their behaviors (directive, supportive, participative, achievement-oriented) to fit employee and task characteristics. Vroom and Yetton’s Normative Decision Model: Guides leaders on the level of employee involvement in decision-making based on several situational variables, offering a range from autocratic to delegative styles. ● Overall Insight: Contingency theories emphasize adapting leadership styles to the context, follower characteristics, and specific organizational circumstances for optimal leadership effectiveness. Here’s a summarized version in bullet points: ● ● ● ● ● ● ● ● ● Transformational vs. Transactional Leadership: ○ Transformational leaders align employee goals with their own, focusing on the company's well-being. ○ Transactional leaders manage through clear structures and rewards for performance. Tools of Transformational Leaders: ○ Charisma: Inspire and garner admiration from followers. ○ Inspirational Motivation: Provide a compelling vision of the future. ○ Intellectual Stimulation: Encourage innovation and creativity. ○ Individualized Consideration: Offer personal attention and mentorship. Transactional Leadership Methods: ○ Contingent Rewards: Provide tangible rewards for tasks completed. ○ Active Management by Exception: Proactively prevent problems. ○ Passive Management by Exception: Intervene only when standards are not met. Effectiveness: ○ Transformational leadership is often more effective, enhancing motivation, performance, and satisfaction. ○ Transactional styles also show effectiveness, particularly when excluding passive management by exception. Trust and Leadership: ○ Transformational leaders are likely to be trusted more because they show concern for followers and communicate values effectively. Can Charisma Be Trained?: ○ Charisma isn't solely innate; it can be developed despite being somewhat influenced by personality traits like extraversion and neuroticism. Dark Side of Charisma: ○ Charisma can lead to blind allegiance, potentially harming organizations if not accompanied by other solid leadership qualities. Leader-Member Exchange (LMX) Theory: ○ Focuses on the type of relationship leaders form with individual members. ○ High-quality LMX relationships result in mutual trust, respect, and obligation. ○ Benefits include greater job satisfaction, performance, and organizational commitment. Developing High-Quality LMX: ○ Leaders can foster high-quality exchanges by being fair, dignified, and trusting. ○ Employees can enhance relationships through seeking feedback, being open to learning, and showing initiative. These points outline the core elements of contemporary approaches to leadership, emphasizing the situational effectiveness of different leadership styles and the importance of leader-member relationships. Week 5: Motivation Instructor: Dr. Kevin Leung Key Concepts: 1. What is Motivation? ○ Definition: A set of energetic forces that originates both within and outside an individual, initiates work-related effort, and determines its direction, intensity, and persistence. 2. Components of Motivation: ○ Direction: Focuses on the goals towards which effort is directed. ○ Intensity: Measures how hard a person tries. ○ Persistence: Examines how long a person can maintain effort. 3. Theoretical Perspectives in Studying Motivation: ○ Need Theories: What motivates people through understanding their needs. ○ Process Theories: How motivation occurs through interactions within the environment. 4. Need Theories: ○ Maslow’s Hierarchy of Needs: Sequential needs from physiological to self-actualization. ○ Alderfer’s ERG Theory: Simplifies Maslow’s into three core needs: Existence, Relatedness, and Growth. ○ Herzberg’s Two-Factor Theory: Distinguishes between Motivators (satisfaction) and Hygiene factors (dissatisfaction). ○ McClelland’s Theory of Social Motives: Focuses on Achievement, Power, and Affiliation. 5. Process Theories: ○ Behavioral Theories: Emphasizes the role of reinforcement. ○ Cognitive Choice Theories: Centers on decision-making processes like Expectancy Theory. ○ Self-Regulation Theories: Includes Goal Setting Theory advocating for SMART goals. Need Theories: ● ● Understand the basic needs outlined in Maslow’s Hierarchy (from physiological needs at the base to self-actualization at the top) and how each level motivates behavior. Recognize that only unsatisfied needs motivate. Alderfer’s ERG Theory condenses Maslow’s into three groups: Existence, Relatedness, and Growth, which can be pursued simultaneously and can regress based on frustration. ● ● Herzberg’s Two-Factor Theory differentiates between Hygiene factors (which prevent dissatisfaction but don't motivate) and Motivators (which truly drive employees to perform better). McClelland’s Theory focuses on the needs for Achievement, Affiliation, and Power. Unlike Maslow’s, these needs are not in any order and can vary in intensity between individuals. Process Theories: ● Expectancy Theory: Effort leads to performance (Expectancy), performance leads to outcomes (Instrumentality), and outcomes are valued (Valence). Understanding the connections between these elements helps predict employee motivation to engage in a behavior. Goal Setting Theory: ● Goals must be SMART—specific enough to clarify what is expected, measurable to gauge progress, achievable yet challenging, relevant to the individual’s role, and time-bound with a deadline. Goals effectively direct attention, mobilize effort, enhance persistence, and promote the development of strategies and action plans. Week 6: Leadership Instructor: Dr. Kevin Leung Key Concepts: 1. Introduction to Leadership: ○ Definition: The process of influencing others towards the achievement of goals. 2. Theoretical Perspectives on Leadership: ○ Trait Approach: Identifies personality traits that distinguish leaders. ○ Behavioral Approach: Observes behaviors that are effective for leadership. 3. Contingency Theories: ○ Fiedler’s Contingency Model: Matches leader’s style with the situation to optimize effectiveness. ○ House’s Path-Goal Theory: Adjusts leadership behavior to employee and environmental needs. 4. Contemporary Approaches to Leadership: ○ Transformational Leadership: Focuses on visionary, inspiring, and change-inducing behaviors. ○ Transactional Leadership: Relies on exchanges and rewards to influence employee behaviors. 5. Charismatic and Servant Leadership: ○ ○ Charismatic Leadership: Relies on the leader’s magnetic personality to influence and inspire followers. Servant Leadership: Prioritizes the needs of others and aims to serve rather than lead in the traditional sense. Info for Quiz Preparation: ● ● ● ● Motivation Lecture: Understand the specific components of each theory, particularly how they explain the direction, intensity, and persistence of motivation. Leadership Lecture: Be able to distinguish between different leadership styles and theories, especially noting how transformational leaders differ from transactional ones and the specific conditions under which each leadership style might be most effective according to contingency theories. Expectancy Theory in Process Theories: Focus on how expectancy (effort leads to performance), instrumentality (performance leads to outcomes), and valence (value of the outcomes) interact to motivate behavior. Goal Setting Theory: Understand how setting SMART (Specific, Measurable, Achievable, Relevant, Time-bound) goals can directly influence motivation and performance, supporting with examples if possible. These notes are organized to aid in understanding complex psychological theories by breaking them down into their core components, crucial for preparing for quizzes that may test comprehension and application of these concepts. ● ● ● Differences between Transformational and Transactional Leadership: ○ Transformational Leaders: Inspire and motivate employees to exceed normal levels of performance through charismatic leadership styles, visionary, and stimulating approaches. They focus on changing existing perceptions and motivating followers to put group or organizational interests first. ○ Transactional Leaders: Focus on maintaining the normal flow of operations using a system of rewards and penalties. They are practical and traditional, ensuring that staff follow procedures and perform their designated tasks. ○ Effective Conditions: Transformational leadership is effective in dynamic and competitive environments that require innovation and change. Transactional leadership works well in stable environments where tasks are routine, and the primary goal is efficiency. Expectancy Theory in Process Theories: ○ Dive deeper into how employees weigh the perceived costs and benefits of making an effort. An employee's motivation to perform is increased if they believe that their effort will lead to good performance (Expectancy), that good performance will be rewarded (Instrumentality), and that they will find the reward satisfactory (Valence). Goal Setting Theory: ● ● ○ Specific goals increase performance; difficult goals, when accepted, result in higher performance than easy goals; feedback enhances the effect of specific and difficult goals. This is because specific and challenging goals focus attention and foster a persistent effort, leading to the development of effective strategies. Additional Insights For Expectancy Theory, prepare to apply scenarios where employees might perceive high or low expectancy, instrumentality, and valence, and predict their motivation outcomes
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Chapter 7 Define behaviourist People that studied psychology only by looking at behaviour, not mental processes What is learning? Process of acquiring new information or behaviours through experience / a relatively permanent change in behaviour due to experience What is associative learning? Linking two events that occur close together in time Give three ways that we learn Through associative learning: Certain events occur together (classical conditioning); stimuli that are not controlled are associated and the response becomes automatic (respondent behaviour) Through consequences: Association between a response and a consequence is learned (operant behaviour) Through acquisition of mental information that guides behaviour: Cognitive learning Explain Pavlov’s dog food experiment and name the stages that represent the Unconditioned Stimulus, the Unconditioned Response, the Neutral Stimulus, the Conditioned Stimulus and the Conditioned Response Pavlov realised that if he trained a dog by repeatedly presenting dog food to a dog immediately after ringing a bell, the dog would start to salivate at the sound of the bell Unconditioned Stimulus → yummy dog food! Unconditioned Response → salivating at the dog food Neutral Stimulus → the bell Conditioned Stimulus → also the bell! But after it has been associated with the food Conditioned Response → the dog salivating at the sound of the bell Define Unconditioned Stimulus (US) A stimulus that naturally triggers a response Define Unconditioned Response (UR) A naturally occurring response to the US Define Neutral Stimulus (NS) A stimulus that has not been paired with the US and elicits no response Define Conditioned Stimulus (CS) A previously neutral stimulus (NS) that is paired with the US and as a result, triggers a conditioned response (CR) Define Conditioned Response (CR) A learned response to a previously neutral stimulus, but now a conditioned stimulus Define Higher-order conditioning / second-order conditioning A procedure in which the conditioned stimulus in one conditioning experience is paired with a new neutral stimulus, creating a second (often weaker) conditioned stimulus For example, an animal that has learned that a tone predicts food might then learn that a light predicts the tone and begin responding to the light alone. Name some uses of classical conditioning Classical conditioning can help us to expedite a response so that it occurs before the US begins Acquisition of expectancies help organisms prepare for good or bad events. Necessary for our survival from an evolutionary perspective. Act as notifications to prepare for fight or flight, or to extend pleasure Name five stages of learning / conditioning Acquisition Extinction Spontaneous recovery Generalisation Discrimination Define the Acquisition stage The association between a neutral stimulus (NS) and an unconditioned stimulus (US) We know that acquisition has occurred when neutral stimulus previously didn’t cause anything, but now it does trigger something Usually, for the association to be acquired, the neutral stimulus (NS) needs to repeatedly appear before the unconditioned stimulus (US), about a half-second before, in most cases (the bell must come right before the food). Define the Extinction stage Refers to the diminishing of a conditioned response. If the US (food) stops appearing with the CS (bell), the CR decreases. Define the Spontaneous Recovery stage After a CR (salivation) has been conditioned and then extinguished: Following a rest period, presenting the tone alone might lead to a spontaneous recovery (a return of the conditioned response despite a lack of further conditioning) If the CS (tone) is again presented repeatedly without the US, the CR becomes extinct again. Define the Generalization stage Once a response has been conditioned, generalisation would be defined as the tendency to respond in a similar way to stimuli similar to the CS (ex: a dog that is conditioned to salivate at the sound of a dinner bell may also salivate at the sound of a doorbell) Define the Discrimination stage The learned ability to distinguish between a CS and other similar stimuli that do not signal an US (discriminating between relevant and not relevant stimuli) (ex: Infants can tell the difference between their mother's voice and the voice of other women) Explain the implications of this on abuse in children A study showed that abused children’s brains respond differently to angry faces compared to non abused peers (association between anger and danger) Why do we still care about Pavlov? Most psychologists agree that classical conditioning is a basic learning form among all species and that can be studied objectively Pavlov’s principles are used to influence human health and well-being (including addiction) Pavlov’s work provided a basis for Watson’s ideas that human emotions and behaviours, though biologically influenced, are mainly conditioned responses. Explain classical conditioning relating to drug cravings Former drug users crave the drug when they are in the environment in which they took drugs or they associate with people with whom they took drugs These contexts act as CS and trigger cravings for the drug (CR) Using what we know about classical conditioning, drug counsellors advise former users to stay away from these contexts. (same with staying/going on a diet) How do advertisers often use classical conditioning? To pair already-existing positive responses with their products; to control and influence human behaviour, such as purchasing behaviour Describe the US,UR,CS, and CR in an ad attempting to associate a product with a celebrity US → Known celebrity. UR → Positive feelings. CS → Product / Brand Hoped for CR → Positive feelings towards product / brand Explain what happened when researchers present a baby with a rat toy paired with a loud noise Baby started to develop fear of rat - whenever they showed the rat, the baby started crying - association has occurred - “irrational fear” of the rat Everything that had a similar feel of the rat toy - the baby started fearing those too → generalisations Define Operant Conditioning If the organism is learning associations between its behaviour and the resulting events, it is operant conditioning. Define Thorndike’s Law of effect The Law of Effect states that behaviours followed by favourable consequences become more likely, and that behaviours followed by unfavourable consequences become less likely. If a cat is put into a puzzle box many times and subsequently gets faster at escaping, what does this demonstrate? Declining rate of seconds taken to escape over times tried → learning rate Explain how researchers used a skinner box to classically condition pigeons to “learn to read” or distinguish between cancerous and normal tissue They rewarded a pigeon with food every time that it correctly accomplished a task, teaching it to peck at the correct answer Explain shaping behaviour / how to apply classical conditioning Reinforcers guide behaviour towards the desired target behaviour through successive approximations Reward behaviour that approaches the desired behaviour Allows animal trainers to get animals to perform complex behaviours Define Reinforcer An event that increases the likelihood of a behaviour being repeated Give the six types of reinforcers Positive + negative, primary + secondary, immediate + delayed Define each of them Positive reinforcement → Presenting a rewarding stimulus after a response Negative reinforcement → Removing an unpleasant stimulus after a response (scream until daddy stops the car ad dairy queen) Primary reinforcer → an innately reinforcing stimulus, such as one that satisfies a biological need (food, sex, water) - very intrinsic, biological Secondary (Conditioned) reinforcer → a stimulus that gains its reinforcing power through its association with a primary reinforcer (stickers, money, power, etc.). Immediate Reinforcer → A reinforcer that occurs instantly after a behaviour. A rat gets a food pellet for a bar press Delayed Reinforcer → A reinforcer that is delayed in time for a certain behaviour. A paycheck that comes at the end of a week. Define continuous reinforcement, list an advantage and a fault Reinforcing the desired response every time it occurs Great for learning, prone to fast extinction Define partial (intermittent) reinforcement, list an advantage and a fault Reinforcing the desired response only part of the time Perhaps more practical in real world, slower learning, more resistant to extinction (slot machines, gambling) List four different types of reinforcement schedules and define them Fixed-ratio schedule: reinforcing the desired response only after a specified number of responses Ex. Buy 10 coffee drinks, get the 11th free (Produces high rates of responding) Variable-ratio schedule: reinforcing the desired response after an unpredictable number of responses Ex: If the slot machine sometimes pays, I’ll pull the lever as many times as possible because it may pay this time! (Produces high, consistent rates of responding) Fixed-interval schedule: reinforcing the desired response only after a specified time has elapsed. Ex. Checking for snail mail, cramming for a test (Produces a choppy, stop-start pattern of responding) Variable-interval schedule: reinforcing the desired response at unpredictable time intervals. Ex. Checking for email, Pop quiz, If I don’t know when the pop quiz will happen, I’ll study everyday (Produces slow, steady responding) Define punishment An event that tends to decrease the behaviour that it follows Explain positive and negative punishment Positive punishment → Addition of unpleasant stimulus (getting a parking ticket) Negative punishment → Removal of pleasant stimulus → (cutting down screen time) In learning and conditioning, “positive” means that something is _____ and “negative” means that something is ________. Added, taken away How does operant conditioning differ from classical conditioning? If the organism is learning associations between its behaviour and the resulting events, it is operant conditioning If the organism is learning associations between events that it does not control, it is classical conditioning Chapter 8 Explain how we measure retention (three ways) and define them Recall (free recall, like seeing someone and trying to remember their name - most difficult) Recognise (correctly identifying prev learned information - things might trigger something - multiple choice question) Relearn (speed of relearning) (riding your bike again after twenty years) (it’ll be faster than when you first learned it) (how much time / effort is saved when learning material for the second time) Explain Ebbinhaus’s memory experiment and the retention curve Ebbinghaus studied his own verbal memory. He tried to learn (memorise) a list of nonsense syllables. The more times he rehearsed the list on day one, the less time it took to memorise the list on day two. Speed of relearning is one measure of memory retention - when relearning, it will be memorised more easily, accurately, and rapidly. What can we learn from this experiment? We retain more when our learning involves more time and repetition. Tests of recognition, and tests of time spent relearning, demonstrate that we remember more than we can recall - we can recognise things that we couldn’t just simply remember, and things will jog our memories( ex: solving a puzzle, remembering lyrics of a song with and without background music, name all the marvel movies you have watched). Explain the three stages of the information processing model, and what it compares the human brain to Compares human memory to computer operations Involves three processes: Encoding: the information gets into our brains in a way that allows it to be stored Storage: the information is held in a way that allows it to later be retrieved Retrieval: reactivating and recalling the information, producing it in a form similar to what was encoded Explain connectionism Focuses on multitrack, uses parallel processing Views memories as products of interconnected neural networks Define Atkinsons and Shiffrin’s three stage model (the original one) External events happen, and then: Sensory input from the environment is recorded as fleeting sensory memory. Information is processed in short-term memory. Information is encoded into long-term memory for later retrieval. Give some shortcomings of the three-stage model Cannot explain why we forget things. Cannot explain why different people experiencing the same events remember different details and aspects of it. Explain Atkinson-Shiffrin model’s updated concepts Working memory: We can’t focus on all the sensory information we receive, so we select information that is important to us and actively process it into our working memory Includes visual and auditory rehearsal of new information Part of the brain functions like a manager, focusing attention and pulling information from long-term memory to help make sense of new information Considered a central executive unit :) Automatic processing: To address the processing of information outside of conscious awareness Some information skips the first two stages and enters long-term memory automatically. What part of the brain is responsible for episodic memory? The hippocampus Explain the differences between explicit and implicit memory Dual-Track memory system divides our memory into conscious and unconscious tracks. Explicit memory - conscious, explicit, declarative memories are facts and experiences that we can consciously know and declare. We encode explicit memories through conscious, explicit, sequential, effortful processing. Implicit memory - Unconscious, implicit, nondeclarative memories are facts and experiences that are formed through automatic processes and bypass conscious encoding track – we don’t exert effort, and are not even aware that they are happening. What information do we process automatically? Implicit memories include automatic skills and classically conditioned associations. Information is automatically processed about: Space: while reading a textbook, you automatically encode the place of a picture on the page Time: we unintentionally note the events that take place in a day Frequency: you effortlessly keep track of how often things happen to you We are not consciously trying to remember these details, but they are automatically encoded in our memories. With experience and practice, some explicit memories become automatic. Examples: driving, texting, and speaking a new language (teaching nonsensical characters as a language in an experimental setting) Explain Sperling’s Iconic Memory Experiment Sperling flashed letters on a screen for 1/20th of a second. He asked people how many letters they recalled. Participants could recall only ½ of the letters. Next, Sperling flashed the letters on a screen for 1/20th of a second. Immediately after the screen went blank, he sounded a tone. A high, medium, or low pitch tone signaled the row that participants were to report. Recall for letters in a row was almost perfect. How can we explain this result? What happens when the tone sounds? When the tone sounds right after the picture is flashed, we have time to retrieve the letters from iconic memory. What is the Briefest Form of Memory Storage Sensory Memory The immediate, initial recording of sensory information in the memory system Define echoic and iconic memory, and explain how long they last Iconic Memory - visual sensory memory → Duration: less than a second Echoic Memory - auditory sensory memory → Duration: a few seconds What type of memories are the hippocampus and frontal lobes responsible for? Processes explicit memories for facts and episodes Hippocampus: Registers and temporarily holds elements of explicit memories before moving them to other brain regions for long-term storage. Two types: Semantic memory: meaning of words, grammar of a language, concepts, abstract ideas that we learn through school - more abstract / concepts / semantically learned -hunger, kindness, etc Episodic memory: memory of snapshots of our life that together - movie like, form episodes What has been noticed about the hippocampus in dementia patients It is often smaller than average Explain which type of memories the right and left hemispheres process Left hemisphere → more numerical, semantics, verbal Right → more episodic Explain the London taxi drivers experiment Central London Taxi Drivers spend 3-4 years learning “the knowledge.” Failure rate for exam: 50% They found that the longer someone had been a taxi driver, the larger their rear area of hippocampus (involved in spatial ability) Follow up study: Assessed participants before and after training Three groups: Ps who succeeded and passed the exam, those who had failed the exam, and a control group Replicated findings: Those who succeeded had an increased hippocampal volume; no difference in other two groups What part of the brain is responsible for implicit memory? The cerebellum and the basal ganglia Explain some features of the cerebellum, what happens if it is damaged, and if it is considered unique to humans Plays a key role informing and storing the implicit memories created by classical conditioning. Also big on coordinating movement, balance, attention and eye movement. Damage to cerebellum disrupts forming conditioned reflexes. Part of the initial brain structures (“little brain”, or “lizard brain”) that exist in other species as opposed to more advanced and high-level areas like the PFC. Explain what functions the basal ganglia has Deep brain structures involved in motor movement Facilitate formation of our procedural memories for skills What type of memory does the amygdala take care of? Emotion-related memory formation Overall: Frontal lobes and hippocampus: explicit memory formation → Semantic and episodic memory - facts and general knowledge, personally experienced events Cerebellum and basal ganglia: implicit memory formation → Space, time, frequency, classical conditioning, motor and cognitive skills Amygdala: emotion-related memory formation How do external cues and priming influence memory? Act as a Retrieval Cue: Will activate existing memory by a stimulus and that activation often unconsciously results in activation of particular associations in memory Give an example from class of priming that influences memory Showing a rabbit and a bunny, and then asking us to remember how to spell hare - volunteer spelt it the less common way that was related to the priming What is an everyday example of us using priming to help our memory without knowing? When you lose a key, you go to the room where you last saw it, hoping that what you see triggers your memory → “this’ll jog my memory!” Explain context-dependent memory Our ability to recall is improved when we are in the same context that the initial experience occurred. Encoding specificity principle: cues and contexts specific to a particular memory will be most effective in helping us recall it. Explain why we would probably do better on our psych exams if we did them in the pool Context dependant memory - trying to recall information in the same environment that we learned it in would help us to remember it Explain the diver memory experiment Recall of words was a lot stronger when the participant was in the place that they learnt the words - if a diver learnt them underwater, recall was stronger there than on the beach, and vise versa Explain state-dependant memory Recall is improved when encoding and retrieval of a memory happen in the same emotional or biological state. Explain state-dependant memory’s impact on depression It is difficult to remember happy times when depressed Explain how memory of period pain changed when the person reporting it was in pain Women reported remembering higher pain levels in the past compared the pain levels that were reported during painful episodes if they were experiencing pain at the time of remembering Explain the “how much do you like this class” survey Students were asked how much they agreed with these statements, once after receiving their midterm results, and once after they were given a chance to boost their grade with a bonus activity. Results showed that students more strongly agreed that they had a pleasant experience in class after they had a positive experience (bonus activity) compared to after they had a negative experience (test results). Sometimes, how we think we feel about something depends partially on how we feel about _____________ at that moment and could have less to do with the objective quality of the thing we are looking at. Ourselves and our life Explain Encoding Failure When input is present too quickly, before we have enough time to process it, encoding, storing, and later retrieving the images becomes harder. We are more likely to remember the first and the last images. Encoding failure → retrieval failure, since we can’t remember what we have not encoded. Explain the two serial position effects and some possible explanations for it Our tendency to recall best the last (recency effect) and first (primacy effect) items in a list Recency effect p-ossible explanation: The last items may be held in short-term memory. Primacy effect possible explanation: The attention is on the first items. Short-term memory doesn’t help in this case because there is a long delay. Define reconsolidation A process in which previously stored memories, when retrieved, are potentially altered before being stored again Give two sources of errors in memory (contributing to false memories) Misinformation effect: when misleading info has corrupted one’s memory of an event Source amnesia: failed memory for how, when, or where information was learned or imagined (unintentional plagiarism) Watch videos - no qs yet What was the difference in answers when people were asked if there was glass at a scene where cars hit vs smashed? People that were asked with the word smashed were more likely to “remember” glass at the scene, even though there wasn’t any there Explain the effect of false memory on eyewitness testimony Eyewitness testimony can be extremely unreliable - the way that questions are asked, suspects are presented, etc. can alter someone’s memory and can cause people to accuse with certainty the wrong person Chapter 9 How do pictures affect our answers to true/false questions? When given a statement and asked if it is true or false, we are more likely to say True if the statement is accompanied by a picture, even when the picture gives us no clue to the truthfulness of the statement. Explain the difference between misinformation and disinformation Misinformation refers to false information that is not intended to cause harm. Disinformation refers to false information that is intended to manipulate, cause damage and guide people, organisations and countries in the wrong direction. Explain how this could be used in media News - disinformation + misinformation: can include suggestive words or images to influence people’s memory Define Intuition An effortless, immediate, automatic feeling or thought, as contrasted with explicit, conscious reasoning Define cognition All the mental activities associated with thinking, knowing, remembering, and communicating. Can include: How we use mental images Create concepts Solve problems Make decisions and form judgments Define concepts or grouping Mental groupings of similar objects, events, ideas or people Why are they useful? Concepts provide a kind of mental shorthand, economising cognitive efforts by minimising the computational load Reduce communication time by referring to category name rather than specific name of objects in the category (ex chair instead of specifically referring by name to every chair type) What do we form when learning concepts? Prototypes Define prototype a mental image of best example that incorporates all the features we associate with a category (ex robin vs penguin - both birds, but a robin fits our prototype better) When do prototypes fail? Examples stretch our definitions (is a stool a chair?) The boundary between concepts is fuzzy (categorising a colour when it is between blue and green) Examples contradict our prototypes (is a whale a fish? is a whale a mammal? Does it mean it is not a fish?) Explain how prototypes help and are dangerous when it comes to heart attacks Prototypes of heart attacks may make it easier for people to recognise quickly when they are happening… but only when the heart attack matches the well known prototype. If a heart attack presents in an unusual way that doesn’t fit the prototype, it is more likely to be missed or dismissed Explain how prototypes can relate to discrimination and the bike stealing experiment People form prototypes of the “types of people” that they think would do certain things - people associated a black man with being likely to steal a bike and stopped him, called the police, etc. For a white man, only one couple stopped him and did something about it. For a white woman, someone offered to help her. What cognitive strategies assist problem solving? Define them, suggest when they are most useful/unuseful and give an example Trial and error → no slide for this one? Algorithms → strategy that involves following a specific rule, procedure, or method that inevitably produces the correct solution - useful because they inevitably produce a result but often take a long time (ex: searching every shelf in a grocery store for something) Heuristics → strategy that involves using a mental shortcut to reduce the number of solutions - usually speedier, but more error-prone than algorithms (make judgments and solve problems efficiently) (when looking for apple juice, you narrow your search to the beverage, natural foods, or produce sections of the supermarket (you check only the related aisles)) Insight → a sudden, often novel, realisation of a solution. The “Aha”moment. Contrasts with strategy-based solutions (when looking for apple juice, you suddenly realise you are in a type of store that wouldn’t sell apple juice. You need to head to another store). What interferes with our problem solving abilities? Confirmation bias Fixation Mental set Imposing constraints Define confirmation bias a tendency to search for information that supports our preconceptions and to ignore or distort contradictory evidence. Once people form a belief, they prefer belief-confirming information Explain how confirmation bias impacted the divorce custody experiment we talked about in class (usually): When people were asked who they would award sole custody of a child to, they focused on the positive traits, and when they were asked who they would deny sole custody to, they focused on the negative traits - usually leading to people denying and awarding custody to the same parent Define fixation The inability to see a problem from a fresh perspective Sometimes you may see a pattern and continue to use that pattern, not seeing an easier solution Kind of the opposite of out of the box thinking Define switch cost The cognitive effort associated with switching from one task to another. Switch cost is ______ when switching from a difficult task to a simple task compared to switching from an easy task to a difficult task. Higher Define mental set A tendency to approach a problem in one particular way, often a way that has been successful in the past. Example of fixation. Impose constraints (not in your book) The tendency to assume that there are extra constraints in a task Define Availability Heuristic and give an example We judge things based on how quickly the information comes to mind / the tendency to estimate the frequency of an event by how readily it comes to mind ex: Which of the following causes more deaths in the United States each year? Stomach cancer or drunk driving accidents? People who say A : 38% , people who say B : 62% BUT stomach cancer actually causes more deaths. Car accidents are reported more in the press → increased vividness Define Framing and give an example Framing is the way an issue is posed → how an issue is framed can significantly affect decisions and judgments Framing draws our attention to some aspects of the available information over others. With gains, we prefer certain options and with losses, we prefer uncertain options Ex: Imagine Canada is preparing for the outbreak of a foreign disease, expected to kill 600 people → programs were inversely favoured based on if they were framed as saving x number of people or killing x number of people Define Anchoring and give an example Anchoring or focalism is a cognitive bias where an individual depends too heavily on an initial piece of information offered (considered to be the "anchor") when making decisions. Ex: Under time pressure, estimate: A. 8*7*6*5*4*3*2*1 or B. 1*2*3*4*5*6*7*8. Given A, people estimate roughly 3,000. Given B, people estimate roughly 500. They anchored to the first numbers Define Overconfidence and give an example Tendency to be more confident than correct – to overestimate the accuracy of our beliefs and judgments Define Belief Perseverance and give an example clinging to one’s initial conceptions after the basis on which they were formed has been discredited
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