Presentation Transcript
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