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Intelligence and Tests

Intelligence and Tests. Or Are you really as smart as you think you are? And how you can find out. Historical Perspective. Phrenology Craniometry The Dilemma: Mustard Seed or Ball Bearings. Historical Perspective. Alfred Binet Tried to identify mentally retarded children.

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Intelligence and Tests

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  1. Intelligence and Tests Or Are you really as smart as you think you are? And how you can find out

  2. Historical Perspective Phrenology Craniometry The Dilemma:Mustard Seed or Ball Bearings

  3. Historical Perspective Alfred Binet Tried to identify mentally retarded children. Came up with the first IQ test

  4. Historical Perspective Mental Age Chronological Age IQ = A 4 year old who can answer questions that a typical 6 year old could answer would have an IQ of 150 Distinguishing Ignorance from Stupidity?

  5. Historical Perspective Mean = 100 Standard Deviation = 15 130+ = Gifted 145+ = Genius 70- = Moron 55- = Imbecile 25- = Idiot

  6. Triarchic Model Componential Intelligence – skills involving metacognition, knowledge acquisition Experiential Intelligence – Being able to apply knowledge to novel situations Contextual Intelligence – Common sense

  7. Multiple Intelligences The Savant Problem Brain Damaged Cases Gardner’s theory of Multiple Intelligences

  8. Multiple Intelligences 1) Linguistic 2) Mathematical 3) Spatial 4) Kinesthetic 5) Musical 6) Interpersonal 7) Intrapersonal 8) Naturalist/Spiritual

  9. Artificial Intelligences Alan Turing and his famous test Don’t forget Demo

  10. Animal Intelligence What evidence would be necessary to persuade you that an animal was intelligent? Continuum vs. Discrete Measures of Intelligence

  11. Testing Face Validity – The extent to which a test appears to test-takers to be valid Content Validity – How well a test provides a representation of the content domain Criterion Validity – How well the test predicts Construct Validity – Does the content domain measure what its supposed to

  12. Item Types Multiple Choice – Easy to administer, hard to find good distracter items. Likert Scale – Item in which you rate on a scale your level of agreement: even vs. odd Q-sorts – checklist of adjectives: susceptible to context effects Free response – Need a coding Scheme

  13. Test Items Double Barreled Questions: “I didn’t vote for Gore because I didn’t like his stance on affirmative action”

  14. Test Items Redundant Items Lower Content Validity by Over-sampling parts of the content domain. Mix positive and negative questions to overcome positive response bias.

  15. Test Items Ambiguous Items lower validity: To what extent to you agree with the following: “An eye for an eye, a tooth for a tooth” Turn the other cheek vs. I’ll hurt them twice as much as they hurt me…

  16. Test Items Ambiguous Items lower validity: “I’m constantly searching my room for bugs”

  17. Test Items Demand Characteristics: Thank you for your participation in this study. You have submitted photographs of yourself, and these have been reviewed by 100 raters, at least 98 of whom have classified you as "extremely unattractive." We believe that especially unattractive people such as yourself generally have low self-esteem and feel nervous about interactions with other people. Please keep this in mind as you fill out the following survey.

  18. Administration Issues Standardization Expectation effects Reinforcing Responses

  19. Interpretation Issues Restricted Range Problems

  20. Interpretation Issues Simpson’s Paradox Revisited

  21. Interpretation Issues Feedback and the Barnum Effect Do Demo Now

  22. Conclusion • Intelligence is a tricky concept and is not as easily defined as one might think. • Testing is difficult, and many tests have problems that you need to be aware of.

  23. Assignment #2 Take and evaluate online tests 2-3 pages, doubles spaced, normal font and margins You can discuss this with your classmates, but the final analysis must be your own

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