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EDHD 320 Intelligence October 2011

EDHD 320 Intelligence October 2011 - EDHD 320 Class 11...

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EDHD 320 Class 11 Intelligence October, 2011
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Intelligence (IQ) Tests 1) The psychometric approach summarizes intelligence into a single IQ score; 2) Popular IQ tests are administered by licensed psychologists, and include WPPSI : Wechsler Preschool and Primary Scale of Intelligence (for preschool years) WISC-IV : Wechsler Intelligence Scale for Children, 4th ed (elementary school to age 16) Stanford-Binet Intelligence Scale (age 2 through adulthood) WAIS-II: Wechsler Adult Intelligence Scale (Adults)
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Wechsler Adult Intelligence Scale-Revised Verbal Tests: Information Digit Span Vocabulary Arithmetic Comprehension Similarities Performance Tests : Picture Completion Picture Arrangement Block Design Object Assembly Digit Symbol Verbal IQ = Performance IQ = Full Scale IQ =
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Normal Distribution of IQ Scores 40 55 70 85 100 115 130 145 160
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Distribution of IQ Scores Mean IQ = 100, SD= 15 pts.; 2/3 between 85-115 IQ < 70: about 3% of the population; mild intellectual disability (IQ of 52-70; usually independent & max. education to 6th grade level) to profound intellectual disability ( IQ below 19; dependent, needs supervision focus on self care); overall quality of life lower; IQ > 130: less than 2% of population; gifted and usually above grade level academically, curious and motivated
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