Lecture 10 Intelligence

Lecture 10 Intelligence - Intelligence: combines verbal...

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Unformatted text preview: Intelligence: combines verbal ability, problem solving skills and the ability to adapt and learn from lifes everyday experiences Intelligence: historically defined by how we measure it Alfred Binet: developed intelligence tests to identify slow learners Mental Age: based on ability not chronological age However, this formula for IQ was flawed. Becausea child with a mental age of 6 and chronological age of 5 would have the same IQ as a child with a mental age of 12 and chronological age of 10. Newer tests were developed with norms for all age groups based on a standard distribution Stanford-Binet and Wechsler Intelligence Tests are still used today Wechsler Intelligence Tests: WPPSI: (preschool) WISC: (children) WAIS: (adults) Results in a Verbal IQ, Performance IQ and Full Scale IQ score Based on norms for the population: 100 is the mean; normal range: 85-115 The Flynn Effect: James Flynn found that from one generation to the next there have been steady gains in IQ scores cross culturally. Hypotheses: more time in school, better educated parents, better nutrition, broader exposure through media Wechsler Adult Intelligence Scale most recently revised in 2008 Wechslers view of intelligence: The global capacity of a person to act purposefully, to think rationally and to deal effectively with his/her environment Test Revisions for the WAIS-IV (2008) identifies several scale scores Verbal Comprehension Scale Perceptual Reasoning Scale Working Memory Scale Processing Speed Scale Sample of Verbal Subtests Vocabulary: breadth of concepts, ideas, and experiences; + correlated with overall IQ Information: basic fund of information; culturally sensitive Comprehension: awareness of socially appropriate behavior, rules, and roles Similarities: verbal concept formation , level of abstraction Arithmetic: concentration/attention; mathematical ability Digit Span: attention and rote memory Sample of Performance Subtests Picture Completion: visual organization and concentration Block Design: perception and analysis of patterns Digit Symbol: imitative behavior and learning capacity *Visual Puzzles: perceptual reasoning *Cancellation: processing speed *Figure Weights: perceptual reasoning...
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Lecture 10 Intelligence - Intelligence: combines verbal...

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