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a simple thinking strategy that often allows us to make judgments and solve problems efficiently
the tendency to think of things only in terms of their usual functions; an impediment to problem solving
judging the likelihood of things in terms of how well they seem to represent particular prototypes
the tendency to be more confident than correct--to overestimate the accuracy of one's beliefs and judgments
clinging to one's initial conceptions after the basis on which they were formed has been discredited
beginning by about 4 months, the stage of speech development in which the infant spontaneously utters various sounds at first unrelated to the household language
the stage in speech development, from about 1 to 2, during which a child speaks mostly in single words
beginning about age 2, the stage in speech development during which a child speaks mostly two-word statements
early speech stage in which a child speaks like a telegram--'go car'--using mostly nouns and verbs and omitting 'auxiliary' words
the widely used American revision (by Terman at Stanford University) of Binet's original intelligence test
defined originally as the ratio of mental age to the chronological age multiplied by 100
a statistical procedure that identifies clusters of related items (called factors) on a test; used to identify different dimensions of performance that underlie one's total score
a general intelligence factor that Spearman and others believed underlies specific mental abilities and is therefore measured by every task on an intelligence test
a condition in which a person otherwise limited in mental ability has an exceptional specific skill
Wechsler Adult Intelligence Scale
the WAIS is the most widely used intelligence test; contains verbal and performance (nonverbal) subtests
defining meaningful scores by comparison with the performance of a pretested "standardization group"
the symmetrical bell-shaped curve that describes the distribution of many physical and psychological attributes
the extent to which a test yields consistent results, as assessed by the consistent results, as assessed by the consistency of scores on two halves of the test, on alternate forms of the test, or on retesting
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