Myers’ EXPLORING PSYCHOLOGY (6th Ed) Chapter 9 Intelligence Modified from: James A. McCubbin, PhD Clemson University Worth Publishers

Origins of Intelligence Testing  Intelligence  Mental abilities needed to select, adapt to & shape environments  Involves abilities to profit from experience, solve problems, reason & successfully meet challenges & achieve goals

Origins of Intelligence Testing  Mental Age (Binet)  Measure of intelligence test performance  Chronological age that most typically corresponds to given performance level

Origins of Intelligence Testing  Stanford-Binet  Widely used American revision of Binet’s original intelligence test  Revised by Terman at Stanford

Origins of Intelligence Testing  Intelligence Quotient (IQ)  Original def -ratio of mental age (ma) to chronological age (ca) multiplied by 100  IQ = ma/ca x 100  Contemporary def –ave. performance for given age is assigned score of 100

One or Multiple Intelligences?  General Intelligence (g)  Factor that Spearman & others believed underlies specific mental abilities  Savant Syndrome  Condition in which person otherwise limited in mental ability has an exceptional specific skill  Emotional Intelligence  Ability to perceive, express, understand & regulate emotions  Creativity  Ability to produce novel & valuable ideas

Assessing Intelligence  Aptitude Test  Designed to predict future performance  Aptitude is capacity to learn  Achievement Test  Designed to assess what person has learned  Wechsler Adult Intelligence Scale (WAIS)  Most widely used intelligence test

Assessing Intelligence  Standardization  Defining meaningful scores by comparison with performance of pre-tested “standardization group”  Reliability  Extent to which test yields consistent results  Validity  Extent to which test measures or predicts what it is supposed to

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