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Ability, intelligence, IQ

Ability, intelligence, IQ. “Intelligence is whatever intelligence tests measure” (EG Boring, 1923) “The aggregate or global capacity of an individual to act purposefully, to think rationally, and to deal effectively with the environment” (Wechsler, 1944)

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Ability, intelligence, IQ

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  1. Ability, intelligence, IQ “Intelligence is whatever intelligence tests measure” (EG Boring, 1923) “The aggregate or global capacity of an individual to act purposefully, to think rationally, and to deal effectively with the environment” (Wechsler, 1944) “The flexible adaptation of means in the pursuit of one’s goals” (White, 1998)

  2. Early childhood: 1946 (8 years) 1. Verbal comprehension Come with me to buy some (FIRE, WATER, STONE, SWEETS, MOTORS) The political dangers of monopoly seem to have been much (EXASPERATED, EXCISED, EXAGGERATED, EXPROPRIATED, EXPOSTULATED) 2. Vocabulary Cat, egg, book, apple……… celerity, extraneous, opthalmic, haemorrhage 3. Non-verbal ability i) Odd one out, ii) Sequence completion, iii) Analogy

  3. Early childhood: 1958/70 (7/5 years) • Vocabulary: • Southgate Group Reading Test (1958) • English Picture Vocabulary Test (1970) 2. Drawing a man: “Make a picture of a man or lady” 3. Copying Designs:

  4. Middle childhood: 1946/58 (11 years) Verbal ability • YARD STONE • FOOT MILE POUND ? • INCH OUNCE • __________________________________________________ • PENNY TON PINT HOUR GALLON

  5. Middle childhood: 1946/58 (11 years) Verbal ability • PUT NUT • TAP TIP TAN ? • POT NOT • ________________________________________________ • TEN TIN TUN NET NAT

  6. Middle childhood:1946/58 (11 years) Non-verbal ability ?

  7. Middle childhood: 1946/58 (11 years) Non-verbal ability ?

  8. Middle childhood: 1970 (10 years)British Ability Scales (BAS):Verbal ability 1. Word definitions (vocabulary) 2. Similarities, e.g. Orange, banana, strawberry Sad, worried, happy

  9. Middle childhood: 1970 (10 years)BAS:Non-verbal ability 1. Recall of digits (e.g. 5 4…7 5 6…8 9 5 6…2 3 7 4 6…) 2. Matrices ? ?

  10. Childhood ability tests

  11. Accumulated Cognitive CapitalMeasurement model: 46 cohort .801 g age 8 g age 11 .698 .848 .762 .977 .822 Picture Intelligence Sentence Completion Vocabulary Test Non-Verbal Intelligence Verbal Intelligence

  12. g age 11 .947 .853 Non-Verbal Intelligence Verbal Intelligence Accumulated Cognitive Capital Measurement model: 58 cohort .895 g age 7 .490 .468 .767 Southgate Group Reading Test Copy Designs Draw a Man

  13. Accumulated Cognitive Capital Measurement model: 70 cohort .787 g age 5 g age 10 .421 .781 .627 .802 .501 .634 .608 Recall of Digits Word Similarities English Picture vocabulary test Copy Designs Draw a Man Word Definitions Matrices

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