Chp 8 Flashcards
Psychometric approach
The research tradition that spawned standardized tests of intelligence and that views intelligence (or personality) as a set of traits that can be measured and that varies from person to person
Fluid Intelligence
Aspects of intelligence that involve actively thinking and reasoning to solve novel problems
Crystallized Intelligence
Those aspects of intellectual functioning that involve using knowledge acquired through experience.
Cattell-horn-carroll theory
A model of intelligence viewed as a hierarchy that includes, from top to bottom, (1) a general ability factor that influences how well people do on a range of cognitive tasks, (2) a few broad dimensions of ability that are distinguishable in a factor analysis, and (3) many specific abilities such as numerical reasoning, spatial discrimination, and word comprehension.
Factor analysis
Statistical technique to identify meaningful groupings of personality scale or intelligence test items that are correlated with each other but not with other groupings of items.
Mental age
A measure of intellectual development that reflects the level of agegraded problems that a child is able to solve; the age at which a child functions intellectually.
Stan ford-binet inteligence scale
One of the most widely used, individually administered intelligence tests, which yields an IQ score.
IQ
A numerical measure of a person’s performance on an intelligence test relative to the performance of other examinees of the same age, typically with a score of 100 defined as average.
Test norms
Standards of normal performance on psychometric instruments based on the average scores and range of scores obtained by a large, representative sample of test takers.
Weschler scales
A set of widely used, individually administered intelligence tests that yield verbal, performance, and overall IQ scores.
Normal distribution
A symmetrical (bellshaped) curve that describes the variability of a characteristic within a population. Most people fall at or near the average score; there are relatively few high or low scores.
Standard deviation
A measure of the dispersion or spread around the mean of a distribution of scores; in the case of IQ tests with a mean score of 100, the standard deviation is 15, meaning that about two-thirds of people taking the test have scores between 85 and 115.
Intellectual disability
Significantly below average intellectual functioning with limitations in areas of adaptive behavior such as self-care and social skills, originating before age 18; previously known as mental retardation.
Gifted
The possession of unusually high general intellectual potential or of special abilities in such areas as creativity, mathematics, or the arts
Savant syndrome
A phenomenon in which extraordinary talent in a particular area is displayed by a person who otherwise has an intellectual disability.