PSYC 1002 Study Guide - Wechsler Adult Intelligence Scale, Lewis Terman, David Wechsler

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Aptitude (specific: areas in which you excel. Psychometric approach: measure motives, interests, values and attitudes. Standardization group: compare using an average, (higher or lower the average) Content validity: designed what it should measure, evaluated with logic more than with statistics. Criterion-related validity: predicting performance, positive/negative correlation of their tests (i. e. pilot training -> aptitude) Matt tang: measure a hypothetical construct (creativity, intelligence, extraversion, or independence, related to extraversion, would be strongly correlated, not related to extraversion, there isn"t a correlation. Children who needed help in the school system. Distinguish between children who were developed normally and others. Mental age: 9 years old, but mental age is 4 years old (needs special assistance) Intelligence quotient (iq) = ma/ca x 100: ma: mental age, ca: chronological age. Wechsler adult intelligence scale verbal and performance (nonverbal) Normal distribution curve 0. 1 / 2. 1 / 13. 6 / 34. 1: standard deviations, higher or lower than the average .

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