Unit 11: Part 2 Flashcards
Weschsler adult intelligence scale (WAIS)
And companion versions for children, most widely used intelligence tests; they contain verbal and performance (nonverbal) subjects
Standardization
Defining uniform testing procedures and meaningful scores by comparison with the performance of the pretested group
Normal curve
The bell-shaped curve that describes the distribution of many physiological and physical attributes
Content validity
The extent to which a test samples the behavior that is of interest
Predictive validity
The success with which a test predicts the behavior that it is designed to predict
Cohort
A group of people sharing a common characteristic, such as from a given time period
Crystallized intelligence
Our accumulated knowledge and verbal skills; tends to increase with age
Fluid intelligence
Our ability to reason speedily and abstractly; tends to decrease with age, especially during late adulthood
Cross-sectional study
Compares people of different ages at the same point in time
Longitudinal study
Follow and retests the same people over time
Intellectual disability
A condition of limited mental ability, indicated by an intelligence test score of 70 or below and difficulty adapting to demands of life
Down syndrome
A condition of mild severe intellectual disability and associated physical disorders caused by an extra copy of chromosome 21
Heritability
The proportion of variation among individuals in a group that we can attribute to genes
Stereotype threat
A self-confirming concern that one will be evaluated based on a negative stereotype
