PSY 100: EXAM 3 (CH. 6 & CH. 8)
Chapter 6
6.1 What is Learning (pages 181-183)
· What is learning and how does it differ from reflexes/instinctive behavior
Learning is: a relatively permanent change in behavior or recognition that results from experience
Reflexes: involuntary, automatic responses to stimuli; rapid and consistent (ex: blinking, pulling hand away from a hot surface)
Instinctive behavior: innate, complex patterns of behavior/triggered by a specific stimuli (ex: answer when someone is ringing the doorbell)
· What is meant by classical conditioning (learning by association) versus operant conditioning (learning by consequences) versus observational learning
Classical Conditioning: [learning by association]; What comes before behavior…
Unconditioned Stimulus (US): Presence of stimulus elicits an automatic response (always); automatic response
Unconditioned Response (UR): [ex: when we are exposed to US, we have the unlearned response…touching hot stove illicit US]
“unlearned”
Neural Stimulus (NS): originally no response/reaction
Conditioned Stimulus (CS): the NS becomes the CS;
Conditioned response (CR): A learned response; same as UR (difference is what is triggering it)
Operant Conditioning: [learning by consequences]; What comes after behavior
An event/stimulus that follows or comes after a behavior and:
Increases likelihood behavior will be repeated= reinforcement
Decreases likelihood behavior will be repeated= punishment
Reinforcement & Punishment
PR= Positive Reinforcement
NR= Negative Reinforcement
PP= Positive Punishment
NP= Negative Punishment
Observational Learning: learning that occurs through the observing of others
6.2 Classical Conditioning (pages 183-192)
· What is a stimulus?
A stimulus is anything that can evoke a response
· What is classical conditioning, and what are the components of classical conditioning (i.e., US, UR, NS, CS, CR)?
US= presence of stimulus elicits an automatic response
UR= an unlearned response
NS= originally no response/reaction
CS= The NS becomes the CS
CR= a learned response; is the SAME as the UR [difference is what’s triggering it]
· Outline the steps involved in classical conditioning: what happens before, during, and after conditioning
Before:
US → UR
NS → nothing (no response)
During:
NS + US → UR
After:
CS → CR
· how was classical conditioning accomplished in Pavlov’s experiments (outline the steps involved before, during, and after conditioning)
US= food
UR= salivating
NS= tone
CS= tone
CR= salivating
Pavlov Revisited: Before Conditioning
US [food] → UR [salivating]
NS [tone] → nothing [no salivating]
Pavlov Revisited: During Conditioning
NS [tone] + US [food] → UR [salivating]
Pavlov Revisited: After Conditioning
CS [tone] → CR [salivating]
· how was classical conditioning accomplished in Watson’s Little Albert study (outline the steps involved before, during, and after conditioning)
US= loud noise
UR= startle/fear
NS= white rat
CS= white rat
CR= startle fear
Before Conditioning
US [loud noise] → UR [startle/fear]
NS [white rat] → nothing [no response]
During Conditioning
NS [white rat] + US [loud noise] → UR [startle/fear]
After Conditioning
CS [white rat] → CR [startle/fear]
· how do the terms “unlearned” and “learned” relate to the components of classical conditioning (i.e., unconditioned versus conditioned)
Unlearned response= UR (unconditioned response): we are supposed to US when we have the UR.
Learned response= CR (conditioned response): a learned response; the difference is what is triggering this learned response.
General processes in classical conditioning (pages 188-191)
· during the acquisition phase of classical conditioning, what does research show about the amount of time needed between presenting the NS and US (a short or long interval)
· explain how classical conditioning works with regard to the development of taste aversion
· what is extinction and how does it occur in classical conditioning
· what is spontaneous recovery and when does it occur
· what is stimulus generalization in classical conditioning
· what is stimulus discrimination in classical conditioning
· who is known as the “Father of Behaviorism” and what did behaviorist believe should be the focus or emphasis of psychology
6.3 Operant Conditioning (pages 192-203)
· what is operant conditioning, who is associated with this type of learning, and what did this person view as the limit of classical conditioning
B.F. Skinner believed that behavior is controlled/shaped by the environment and that the probability of a response/behavior is changed by its consequences.
He viewed the limit of classical conditioning as any existing/reflexive behaviors; Operant conditioning identified and explained new, voluntary behaviors.
· what does Thorndike’s “law of effect” suggest about behavior
Behaviors followed by satisfying consequences are more likely to be repeated, while behaviors with unpleasant consequences are less likely to be repeated. [behavior is shaped by its outcomes]
· what do the terms “positive and negative” mean with regard to operant conditioning
Positive: adding something (stimulus)
Negative: removing something (stimulus)
Describing whether a stimulus is added OR taken away.
· what is the difference between reinforcement and punishment in terms of the likelihood of behavioral response
Reinforcement: increases the likelihood of a behavioral response
Punishment: decreases the likelihood of a behavioral response
· what is the difference between positive and negative reinforcement and what are some examples of these types of reinforcement
Positive reinforcement: add stimuli (add pleasant) to increase response probability; Example: a child receives a sticker every time he remembers to brush his teeth
Negative reinforcement: remove stimuli (take away unpleasant) to increase response probability; Example: putting on seat belt to remove annoying sound… now more likely to wear the seatbelt to avoid the sound
· Are negative reinforcement and punishment the same thing…explain why or why not
Negative reinforcement and negative punishment are not the same thing. They both remove the stimuli, but reinforcement aims to have an increase in a response probability and punishment aims to have a decrease in response probability.
Negative punishment: remove stimuli (take away pleasant) to decrease response probability; Example: taking away car privileges to avoid children staying out past curfew.
What is the difference between positive and negative punishment and what are some examples of these types of punishment
Positive Punishment: add stimuli to decrease response probability (adding unpleasant); Example: child is suspended from school in order to avoid improper behavior
Negative Punishment: remove stimuli to decrease response probability (taking away pleasant); Example: child has gaming devices taken away to avoid them overplaying.
· explain the issues related to the use of physical punishment (e.g., spanking) on children’s behavior and whether you would recommend its use to parents
Physical punishment is more often ineffective than effective. It does not teach the child what to do better. It can be harmful emotionally in many ways. It is not something to recommend to parents.
· In terms of parenting, research shows parents should engage in what instead of punishment
Positive reinforcement: rewarding a desired behavior to increase their frequency.
· what is shaping and how is shaping used to condition a response (including successive approximations)
Shaping is an operant conditioning procedure that reinforces successive approximations of desired behavior
· what is the difference between primary versus secondary/conditioned reinforcers and what are some examples of each
Primary reinforcers: naturally rewarding and satisfying basic biological needs or drives… Ex: food, water, relief
Secondary reinforcers: reinforcing because they become associated with PR. acquire reinforcing power through learning… Ex: praise, good grades, money
· explain what is meant by a token economy and how it can lead to changes in behavior
Token economy: a system where individuals earn tokens for exhibiting desired behaviors; tokens exchanged for rewards or privileges. It leads to change in behavior because the system provides immediate feedback for positive behaviors and is consistent in reinforcing the desired behaviors. … Ex: within schools, hospitals, prisons
Reinforcement schedules (pages 198-201)
· of the different types of reinforcement and punishment, what is the most effective way to teach new behavior
Positive Reinforcement is the most effective way because it strengthens the desired actions by adding rewarding stimuli, promoting learning without fear or anxiety
· what is a continuous reinforcement schedule and how does it impact learning and extinction of a behavior
Continuous reinforcement schedule reinforces every instance of a behavior, learning to rapid learning but also rapid extinction when reinforcement will stop.
· what is a partial or intermittent schedule of reinforcement and how does it impact learning and extinction of a behavior
Partial/intermittent reinforcement schedule is the reinforcement of some (but NOT ALL) responses which results in slower learning but greater resistance to extinction.
· differentiate between the four types of partial/intermittent reinforcement schedules (i.e., fixed-ratio, variable-ratio, fixed-interval, variable-interval)
Fixed- Ratio: reinforcement after a set number of responses
Variable- Ratio: reinforcement after an unpredictable number of responses
Fixed-interval: reinforcement after a set amount of time
Variable-interval: reinforcement after an unpredictable amount of time
which schedule yields the highest response rate and the greatest resistance to extinction
Variable-ratio schedule yields the highest response rate and greater resistance to extinction because of its unpredictable nature.
· what type of reinforcement schedule is associated with gambling behavior and why; also, what does research show about neurotransmitters, particularly dopamine, and gambling
Gambling is associated with variable-ratio schedule because of the unpredictable nature of wins, which keeps the player engaged. Research shows dopamine release levels are heightened during unpredictable reward situations which will reinforce the behavior
6.4 Observational Learning (Modeling; pages 203-206)
· what is observational learning and what is meant by “modeling”
Observational learning is learning by watching/observing others & modeling is the process of imitating the observed behavior(s)
· discuss the four steps involved in the modeling process and how they contribute to learning
Attention: attention to the model (observing the model)
Retention: remembering
Reproduction: imitating
Motivation: desire to perform the behavior
[observing, remembering, imitating, perform]
· what is meant be vicarious reinforcement versus vicarious punishment
Vicarious reinforcement: learning by observing others being rewarded
Vicarious punishment: learning by observing others being punished
· what did Albert Bandura’s “Bobo Doll” study demonstrate about aggression in children discuss how observational learning can contribute to both prosocial and antisocial behaviors
Children who observed aggressive behavior were more likely to exhibit aggressive behavior themselves. This proved that observational learning can be promote helpful and harmful conduct.
Chapter 8
8.1 How Memory Functions (pp. 248-255)
what is memory often compared to or what is the analogy for memory…”the mind is like/compared to a _____”
Memory is often compared to a computer… the mind is like/compared to a computerexplain the three processes involved in the act of remembering (i.e., encoding, storage, retrieval)
Encoding: transforming information into a usable form
Storage: retaining information over time
Retrieval: accessing stored informationwhat is the difference between automatic versus effortful processing and which facilitates better encoding
Automatic processing: unconscious
Effortful processing: requires conscious attention (facilitates better encoding)Understand Atkinson and Shiffrin’s model of memory storage
This model proposes 3 stages: sensory memory, short-term memory, and long-term memoryWhat is sensory memory, and what are the characteristics of this memory store system (duration of visual/iconic and auditory/echoic memory and capacity/how much information can hold)
Sensory memory: Very temporary storage of sensory info
Visual info= .25 seconds
Auditory info= 3-4 seconds
what is short-term memory, and what are the characteristics of the short-term memory store system (duration and capacity)
Short-Term Memory: temporary storage of info (less than 30 seconds)
Holds limited amounts of into; does chunk the information (RANGE= 5-9 items)
Difference between active versus elaborative rehearsal
Active rehearsal: repeating information
Elaborative rehearsal: connects new information to existing knowledge (MORE EFFECTIVE)
What is long-term memory, and what are the characteristics of this memory store system (duration and capacity)
Long-Term Memory: permanent storage of information
Holds an unlimited amount of information (unlimited duration)
Differentiate between the following types of long-term memories: episodic, semantic, and implicit-procedural memories (note: we discussed these when we covered material from chapter 9, too)
Episodic: personal experiences
Semantic: general knowledge
Implicit-procedural: skills and habits
What is meant by “chunking” and what role does it play in memory processes
Chunking means grouping information into meaningful units, increasing short-term memory capacity
EX: IRSFBICIA → IRS FBI CIA
What is the difference between recall versus recognition methods of retrieval, what are some examples of recall versus recognition tasks, and which task is “easier” or results in better memory performance
Recall: retrieving information WITHOUT CUES; Ex: recalling list of words said out loud
Recognition: identifying information from options;Ex: circling form multiple choice to recognize list of words said out loud.
What is meant by “relearning”
Learning previously learned information again, which can be faster than initial learning
What is meant by a retrieval cue and how do they help memory?
Retrieval cues are stimuli that help to access stored memories
Explain context dependent memory and how the scuba-diver study (Godden & Baddeley, 1975) illustrates this concept.
Context Dependent memory: improved recall when in the same context as encoding, illustrated by the scuba-diver study, where divers recall information better when tested in the same environment they learned it
What is the serial position effect and explain the difference between a primacy versus recency effect
The serial position effect is better recall of items at the beginning (primacy effect) and end (recency effect) of a list
How do working/short-term, and long-term memory stores help explain why we have primacy versus recency effects?
Recency is due to items still in short-term memory, while primacy is due to items transferred to long-term memory
8.2 Parts of the Brain Involved in Memory (pp. 255-258)
What are the four parts/structures of the brain that are most involved in memory
Hippocampus
Amygdala
Cerebellum
Prefrontal cortex
What part of “patient H.M.’s” brain was damaged to try and stop seizures and what impact did this have on H.M.’s memory
H.M’s hippocampus was damaged, causing anterograde amnesia
8.3 Problems with Memory (pp. 259-264)
What is amnesia and what is the difference between anterograde versus retrograde amnesia
Amnesia is memory loss
anterograde amnesia is inability to form new memories
retrograde amnesia is loss of past memories
Which type of amnesia did patient H.M. suffer from
H.M. suffered from anterograde amnesia
What is meant by the statement that “memory is reconstructive”
Memory is reconstructive= it is not a perfect recording and can be altered
What does suggestibility or suggestion mean with regard to memory and what kind of impact does it have on memory
Suggestibility is the tendency to incorporate misleading information into memory
What does research show regarding the accuracy of eyewitness memory (e.g., the misinformation effect)
Eyewitness memory is prone to error, and the misinformation effect shows that post-event info can alter memories…
8.4 Ways to Enhance Memory (pp. 269-272)
What is the difference between elaborative rehearsal versus a mnemonic device or strategy
Elaborative rehearsal: connects new information to existing knowledge to make it meaningful; think about its meaning, relate to it with personal experiences, create associations with other concepts you already understand
Mnemonic device/strategy: memory aids; aids memory retention and retrieval by creating associations between new info and existing knowledge or familiar concepts
Why does elaborative rehearsal contribute to better memory or more efficient studying
Elaborative rehearsal contributes to better memory or more efficient studying because it allows for more meaningful memory traces + stronger memory
What is the difference between distributed practice (or “spacing”) versus massed practice (or “cramming”) and which is more likely to result in long-term learning and memory
Distributed practice: (spacing) is studying over time [more effective]
Massed practice: (cramming) studying all at once
What does research show about the use of highlighters for studying
Highlighters are not an effective study tool (can over-highlight), they should be combined with other active study techniques.