PSYCH Lecture 12 & 13 - Intelligence

PSYCH Lecture 12 & 13 - Intelligence - Intelligence...

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Unformatted text preview: Intelligence Definition Intelligence: Combines verbal ability Problem solving Ability to adapt & 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 Ex. You can be 8 years old, and have a mental age of 12 really smart in answering these questions However, this formula for IQ was flawed. A 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 Not using quotient formulas anymore Newer tests were developed with norms for all age groups based on a standard distribution (bell-shaped curve) Stanford-Binet & Wechsler Intelligence Tests are still used today Weschler IQ Tests Wechsler Intelligence Tests: WPPSI: (preschool) WISC: (children) WAIS: (adults) Results in a Verbal IQ, Performance IQ and Full Scale IQ score (100 is mean IQ set that way) Based on norms for the population: 100 is the mean; normal range: 85-115 Flynn Effect The Flynn Effect: James Flynn found that from one generation to the next, there have been steady gains in IQ scores across culturally Why? 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 (& effectiveness) 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: *********** Its a verbal subtest! Concentration/attention; mathematical ability Digit Span: Attention & rote memory (learning by repetition, memorizing) Sample of Performance Subtests Picture Completion: Visual organization and concentration Block Design: Perception & analysis of patterns Digit Symbol: Imitative behavior & learning capacity (Ex. given image, and copy what its associated with when see 3, draw circle) *Visual Puzzles Perceptual reasoning *Cancellation Processing speed *Figure Weights Perceptual reasoning Rosenthal and Jacobson Study...
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PSYCH Lecture 12 & 13 - Intelligence - Intelligence...

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