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Week 3 Intelligence. 9. Defining Intelligence. Intelligence the capacity to understand the world, think rationally, and use resources effectively when faced with challenges Intelligence Tests tests devised to measure and identify an individual’s level of intelligence.
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Week 3 Intelligence 9
Defining Intelligence • Intelligence • the capacity to understand the world, think rationally, and use resources effectively when faced with challenges • Intelligence Tests • tests devised to measure and identify an individual’s level of intelligence
Measuring Intelligence • Mental age • the average age of children taking the Binet test who achieved the same score • Chronological age • physical age
Measuring Intelligence IQ = MA x 100 CA
IQ Tests • Stanford-Binet Test • Wechsler Adult Intelligence Scale-III (WAIS-III) • Wechsler Intelligence Scale for Children-III (WISC-III)
Achievement & Aptitude Tests • Achievement Test • a test meant to ascertain a person’s level of knowledge in a given subject area • Aptitude Test • a test designed to predict a person’s ability in a particular area or line of work • SAT, ACT
Reliability & Validity • Reliability • the concept that tests measure consistently what they are trying to measure • Validity • the concept that tests actually measure what they are supposed to measure • Norms • standards of test performance
Alternative Formulations of Intelligence • G or G-factor • an early theory that assumed there was a general factor for mental ability • Fluid Intelligence • reflects reasoning, memory, and information processing capabilities • Crystallized Intelligence • information, skills, and strategies that people have learned through experience
Alternative Formulations of Intelligence • Gardner’s Seven Intelligences: • Musical intelligence • Bodily kinesthetic intelligence • Logical-math intelligence • Linguistic intelligence • Spatial intelligence • Interpersonal intelligence • Intrapersonal intelligence
Contemporary Approaches (Feldman, 1999)
Mental Retardation • Significantly subaverage intellectual functioning that occurs with related limitations in two or more of the adaptive skill areas • mild retardation IQ = 55-69 • moderate retardation IQ = 40-54 • profound retardation IQ below 25
Mental Retardation • Causes • identifiable biological reason (e.g. Down’s Syndrome) • familial retardation • Care and Treatment • least restrictive environment • mainstreaming • full inclusion
Intellectually Gifted • The two to four percent of the population who have IQ scores greater than 130 • social stereotypes of gifted people
Questions regarding IQ tests • Are traditional IQ tests culturally biased? • Are there racial differences in intelligence? • To what degree is intelligence influenced by the environment and to what degree by heredity?
Heredity & Environment Issues • Culture-fair IQ test • a test that does not discriminate against members of any minority group • Heritability • a measure of the degree to which a characteristic is related to genetic, inherited factors
The Flynn Effect (Feldman, 1999)
Online IQ tests… just for fun… Ultimate IQ Test Verbal IQ Test Logic IQ Test Culture Fair IQ Test Exceptional IQ Test are all free at: http://www.brain.com/ E-mode online IQ test for fun… http://www.emode.com/tests/uiq/authorize/register.jsp?url=/tests/uiq/index.jsp
References • Feldman, M. (1999). McGraw Hill Company. Retrieved May 2002 from World Wide Web at: http://www.mcgrawhill.com. • Kohn, A. J. & Kohn, W. (1998). The Integrator 2.0. CD-Rom. Brooks/Cole Thomson Learning. • Richardson, K. (1999). Retrieved May 2002 from the World Wide Web at: http://www.monmouth.edu.