Ch7 Intelligence Testing

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Slide 1:Ch. 7: Assessment of Intelligence


Slide 2:Brief, Brief History of Intelligence Testing Concept of Intelligence The IQ – meaning and correlates Clinical Assessment of Intelligence – major instruments and issues Ch. 7 Overview: Assessment of Intelligence


Slide 3:Historical Developments Leading to IQ Testing Alfred Binet/Theodore Simon and the Educational need for IQ testing Psychological science increasingly demonstrates mental abilities can be measured with IQ tests. Legal/Civil Rights Arena – Fairness of IQ testing for diverse populations Brief, Brief History of Intelligence Testing


Slide 4:When Intelligence Testing Goes Wrong http://www.youtube.com/watch?v=gYZtcTxWf4U


Slide 5:Differences – ability, aptitude, & achievement. No universally accepted definition of intelligence Common references for defining intelligence - adjustment/adaptation to new environments - ability to learn/educability - abstract thinking Definitions of Intelligence


Slide 6:Interactive Intelligence Test http://www.youtube.com/watch?v=pRBcosUeE_0


Slide 7:David Wechsler’s Definition of Intelligence “Intelligence is the aggregate or global capacity of the individual to act purposefully, to think rationally and to deal effectively with his environment.” - Global because it characterizes individual’s behavior as a whole - Aggregate because it is composed of elements or abilities that are qualitatively differentiable


Slide 8:David Wechsler’s Definition of Intelligence http://www.youtube.com/watch?v=ONwiuiZ6mJ0


Slide 9:Factor Analytic Approaches – Spearman “g” and “s” factors - L.L. Thurstone – 7 group factors - R.B. Cattell – g, 17-primary factors, 2 2nd factors “fluid” and “crystallized” abilities - J.J. Guilford – 3 intelligence components operations, contents, and products Approaches/Theories of Intelligence


Slide 10:Theoretical Approaches – H. Gardner: Theory of Multiple Intelligences (families of 6 intelligences) http://www.youtube.com/watch?v=KEFpaY3GI-I&feature=related


Slide 11:Theoretical Approaches – H. Gardner: Theory of Multiple Intelligences (families of 6 intelligences)


Slide 12:- R. Sternberg – Triarchic Theory (3: componential [analytical], experiential [creative thinking], contextual [practical – street smarts]) Approaches/Theories of Intelligence


Slide 13:Time to Assess Your IQ – whatever that means http://www.youtube.com/watch?v=ZgZkNwfjPvw


Slide 14:Cracker Barrel IQ Test-III-R


Slide 15:Binet (MA: Mental Age) Stern (IQ: Mental Age/Chronological Age x 100) The Intelligent Quotient (IQ): Its Meaning and Development


Slide 16:Weshsler (Deviation IQ) The Intelligent Quotient (IQ): Its Meaning and Development


Slide 17:The Intelligent Quotient (IQ): Empirical Correlates


Slide 18:School Success (IQ & grades r = .50) Occupational Success (best – for job entry) Group Differences? Influence of Heredity on IQ scores (51-81%) Stability of IQ scores The Intelligent Quotient (IQ): Empirical Correlates


Slide 19:Standford-Binet Scales - descriptions, standardization, reliability/validity Types of Modern IQ Tests


Slide 21:Wechsler Scales - Adults (WAIS-III/IV) - Children (WISC-IV) Types of Modern IQ Tests


Slide 22:Structure of the Scale WAIS–III Levels of Performance FSIQ Digit Span Arithmetic Letter–Number Sequencing Vocabulary Similarities Information Comprehension Digit Symbol—Coding Symbol Search Block Design Matrix Reasoning Picture Completion Picture Arrangement VIQ PIQ VCI WMI POI PSI 8


Slide 25:Estimation of General Intelligence Level Prediction of Academic Success Appraisal of Style and Abstraction Role of the Situation Generality vs. Specificity of Measurement Issues in Clinical Use of Intelligence Tests