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Reliability of IQ Tests

Reliability of IQ Tests. Reliability: Problem before age 7. For teenagers and adults, reliability is high. Differences Based on Ethnic Groups. Yes!! African American, European, Asian In this order, low to high Larger difference within ethnic groups!. The Psychometric Approach.

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Reliability of IQ Tests

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  1. Reliability of IQ Tests • Reliability: • Problem before age 7. • For teenagers and adults, reliability is high.

  2. Differences Based on Ethnic Groups • Yes!! • African American, European, Asian • In this order, low to high • Larger difference within ethnic groups!

  3. The Psychometric Approach • States IQ has separate scored tests of abilities. Can you score low on one area and high on others?… important • Number sense • Reasoning • Verbal • Spatial • memory

  4. The Psychometric Approach • Spearman’s g- and s-factors • g – “general intelligence” • If you do well on one section of an IQ test, you will more than likely do well on all other portions • Your overall IQ ability • s – “specific intelligence” • Skills you need to do well on a specific part of an IQ test, such as math or verbal comprehension • You can score high one part and low on other sections of an IQ test

  5. The Psychometric Approach • Cattell: • Fluid intelligence • Solve new problems in confusion, without any prior knowledge or experience • Crystallized intelligence • Solve problems with prior knowledge and experience

  6. Information-Processing Approach • What mental processes are involved in intelligent behavior? • Attention and memory

  7. Sternberg’s Triarchic Theory of Intelligence • Analytic Intelligence • Measured by IQ tests • Creative Intelligence • Dealing with new problems • Practical Intelligence • Adapting to new environments (Social Situations) • Can do poorly on analytic IQ tests but do poorly when thrown into a social situation

  8. Multiple Intelligences (Gardner) • Intrapersonal • Interpersonal • Naturalistic • Emotional • Linguistic • Logical-Mathematical • Spatial • Musical • Body-Kinesthetic

  9. Creativity • Divergent thinking • Ability to see many different solutions to a problem • Convergent thinking • Ability to narrow down many different solutions to a problem

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