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Prototypes
A mental image or best example of a category that helps with classification.
Assimilation
Interpreting new information in terms of existing schemas.
Accommodation
Adapting current schemas to incorporate new information.
Algorithms
A step-by-step procedure that guarantees a solution to a problem.
Heuristics
A simple, efficient rule or mental shortcut for solving problems.
Availability heuristic
A decision-making strategy based on how easily examples come to mind.
Representativeness heuristic
Judging the likelihood of an event based on how much it matches a prototype.
Mental set
A tendency to approach a problem in a particular way, often based on past experience.
Priming
The activation of certain associations, influencing perception or behavior.
Framing
The way a problem or question is posed, which can influence decisions and judgments.
Gambler’s fallacy
The mistaken belief that past events can influence future probabilities in random events.
Sunk-cost fallacy
Continuing an endeavor because of prior investment, despite new evidence suggesting it’s no longer worthwhile.
Creativity
The ability to produce novel and valuable ideas.
Divergent thinking
Thinking that involves generating many different ideas or solutions.
Convergent thinking
Thinking that involves narrowing down multiple options to find a single best solution.
Functional fixedness
A cognitive bias limiting a person to use an object only in the way it’s traditionally used.
Memory
The persistence of learning over time through the storage and retrieval of information.
Encoding
The process of getting information into memory.
Retrieval
The process of getting information out of memory storage.
Storage
The retention of encoded information over time.
Explicit memory
Memory of facts and experiences that one can consciously know and declare.
Implicit memory
Memory that does not require conscious recall, such as skills and procedures.
Prospective memory
Remembering to perform a planned action in the future.
Long-term potentiation
An increase in a synapse’s firing potential after brief, rapid stimulation; believed to be a neural basis for learning and memory.
Central executive
The part of working memory that directs attention and processing.
Phonological loop
The component of working memory that processes auditory information.
Visuospatial sketchpad
The component of working memory that processes visual and spatial information.
Short-term memory
Memory that holds a few items briefly before the information is stored or forgotten.
Long-term memory
The relatively permanent and limitless storage of information.
Working memory
A newer understanding of short-term memory involving conscious, active processing.
Sensory memory
The immediate, very brief recording of sensory information.
Iconic memory
A momentary sensory memory of visual stimuli.
Echoic memory
A momentary sensory memory of auditory stimuli.
Automatic processing
Unconscious encoding of incidental information.
Effortful processing
Encoding that requires attention and conscious effort.
Shallow processing
Encoding on a basic level, such as the structure or appearance of words.
Deep processing
Encoding semantically, based on the meaning of the words, leading to better retention.
Mnemonic devices
Memory aids that use vivid imagery and organizational devices.
Method of loci
A mnemonic device that involves associating items with specific locations.
Chunking
Organizing information into manageable units or chunks.
Spacing effect
The tendency for distributed practice to yield better long-term retention.
Massed practice
Practicing continuously without breaks, leading to less effective memory retention.
Distributed practice
Spacing learning over time to improve retention and performance.
Serial position effect
The tendency to recall the first and last items in a list more easily.
Primacy effect
The tendency to remember items at the beginning of a list better.
Recency effect
The tendency to remember items at the end of a list better.
Maintenance rehearsal
Repeating information to keep it in short-term memory longer.
Elaborative rehearsal
Linking new information to existing knowledge to aid encoding.
Autobiographical memory
A memory system consisting of episodes from one’s personal life.
Recall
Retrieving information learned earlier, as in a fill-in-the-blank test.
Recognition
Identifying previously learned information, as in a multiple-choice test.
Context-dependent memory
Improved recall when the context during encoding and retrieval is the same.
Mood congruent memory
The tendency to recall experiences consistent with one’s current mood.
State-dependent memory
Improved recall when in the same state as during encoding.
Testing effect
Enhanced memory after retrieving information rather than simply rereading it.
Metacognition
Awareness and understanding of one’s own thought processes.
Retrograde amnesia
Loss of memories from before a specific event or injury.
Anterograde amnesia
Inability to form new memories after a specific event or injury.
Infantile amnesia
The inability to recall memories from early childhood.
Encoding failure
Inability to remember information due to improper encoding.
Forgetting curve
A graph showing how information is lost over time when not rehearsed.
Proactive interference
Older information interferes with the recall of newer information.
Retroactive interference
Newer information interferes with the recall of older information.
Tip-of-the-tongue phenomenon
The temporary inability to recall a word or name while feeling that it’s just out of reach.
Repression
A defense mechanism that banishes anxiety-inducing thoughts, feelings, and memories from consciousness.
Misinformation effect
When misleading information alters a memory of an event.
Source amnesia
Attributing a memory to the wrong source.
Constructive memories
Memories that are influenced by prior knowledge, expectations, and suggestions.
Memory consolidation
The process of stabilizing a memory trace after initial acquisition.
Imagination inflation
The increased confidence in a false memory due to imagining the event.
intelligence
The ability to learn from experience, solve problems, and adapt to new situations.
g factor
A general intelligence factor that underlies specific mental abilities.
multiple intelligences
A theory proposing that intelligence is comprised of various distinct types, such as linguistic or spatial intelligence.
intelligence quotient
A score derived from standardized intelligence tests, originally calculated as mental age divided by chronological age, multiplied by 100.
mental age
A measure of intellectual development reflecting the level of performance typically associated with a particular chronological age.
psychometrics
The field of study focused on the design, administration, and interpretation of quantitative tests.
standardization
The process of establishing norms and consistent procedures for administering a test.
Flynn effect
The observed rise in average intelligence test scores over generations.
achievement tests
Tests designed to measure knowledge and skills in specific areas.
aptitude tests
Tests designed to predict an individual's ability to learn or perform in the future.
fixed mindset
The belief that abilities and intelligence are static traits that cannot change.
growth mindset
The belief that abilities and intelligence can develop through effort and learning.
validity
The extent to which a test measures what it claims to measure.
construct validity
The degree to which a test measures the theoretical construct it is intended to measure.
predictive validity
The extent to which test scores can predict future performance on related tasks or criteria.
reliability
The consistency of a test in producing the same results under similar conditions.
split-half reliability
A measure of reliability where a test is split into two parts, and the scores on both halves are compared.
test-retest reliability
A measure of reliability obtained by administering the same test twice over a period and comparing the scores.