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Module 29 & 30 Intelligence gp(8)1. 2 Psychometric Approach: Measurement (metric) of Individual differences in behaviors and abilities.

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Presentation on theme: "Module 29 & 30 Intelligence gp(8)1. 2 Psychometric Approach: Measurement (metric) of Individual differences in behaviors and abilities."— Presentation transcript:

1 Module 29 & 30 Intelligence gp(8)1

2 2 Psychometric Approach: Measurement (metric) of Individual differences in behaviors and abilities.

3 gp(8)3 Is Intelligence one Ability or several? Spearman’s General Ability Theory Performance depends on general ability (g) and also on specific abilities (s). - g for “general ability” - s for “specific abilities”.

4 Thurstone argues that intelligence consists of seven “primary mental abilities,” each a relatively independent.

5 gp(8)5 Despite Thurstone’s findings that there are clusters of abilities, studies find that the seven abilities are positively correlated. Ability in one area tends to be predictive of abilities in other areas! Perhaps there is g!

6 gp(8)6 Gardner’s Multiple Intelligences. Different ways of being Intelligent - Language - Music - Logic and Mathematics - Spatial reasoning - Body movement - self-control and self understanding -sensitivity to other people - ecological

7 Savant Syndrome Describes a rare phenomenon in which a person with a severe mental handicap displays genius-like ability in a narrow field or area. gp(8)7 The most common forms involve mathematical calculations, memory feats, artistic abilities, and musical abilities.artistic abilities musical abilities

8 In Most People these Intelligences are Positively Correlated Gardner argues that most people can develop competence in all eight of these intelligences. Encouraged elementary and secondary education to address all types of intelligences. gp(8)8

9 9 Sternberg’s Triarchic Theory 3 aspects of Intelligence 1) Analytical (academic problem-solving) - learning necessary information - planning how to solve a problem - combing knowledge and plans 2) Creative Situations - reacting adaptively to novel situations

10 gp(8)10 3) Practical Intelligence relating intelligence to the world - adapting the world - adapting our thinking *captures the idea that being smart in different Settings means different things. E.g., “Street Smart” vs. “Book smart”

11 Intelligence and Creativity Creative solutions are both Novel (new) and valuable (serve a purpose). Five components of Creativity: Expertise Imagination – divergent thinking Venturesome personality Intrinsic Motivation Creative Environment Forest video Forest video (3.19) gp(8)11

12 being in tune with one’s emotions and the emotions of others can be considered an aspect of intelligence Emotional Intelligence Aspects of emotional intelligence  perceiving emotion  understanding emotion  managing emotions  using emotions

13 gp(8)13 Intelligence Tests Standardized tests: - given in a consistent manner - known norms for interpreting the test. Intelligence Quotient (IQ) Score adjusted for age.

14 gp(8)14 Binet-Simon Test - developed in 1904 in France. -standardized for different age groups. -predicts performance in school. History of Intelligence Tests

15 gp(8)15 Stanford-Binet Test (Terman,1920’s) English-American version of Binet-Simon Progressive - begin below age level and work to harder problems. Average IQ = 100 St Div ~15 Sub-scores - Knowledge, Abstract spatial reasoning, Short Term Memory

16 gp(8)16

17 gp(8)17 Intellectual Disability - 2 Standard deviations below the mean (IQ = < 30) and limited adaptive behavior in conceptual skills (language, time, money, etc.) social skills – ability to obey laws, social norms and avoid victimization. practical skills – daily personal care, occupational skills

18 gp(8)18 Wechsler Tests WAIS - Adult Test WISC - Children (up to 16) Verbal and Performance Sub-scales Six Sub-scales each Results provide profile of scores.

19 gp(8)19 Graduate Records Exam (GRE) - predicts performance in Graduate School (verbal and quantitative sub-scales) Other profession school admissions tools. - MCAT - Medical school - LSAT - Law school

20 gp(8)20 Reliability Test-retest Reliability - very high Does this mean it is a good test? Validity How well does it measure what it is supposed to? Predictive Validity

21 The Flynn Effect On average, IQ is increasing by 3 per cent per decade. The effect is so strong that it implies that half of children in 1932, if given today’s tests, would score under 80 – the threshold for mental retardation. gp(8)21

22 Tests involving abstract generalizations have increased the most. Performance on tests involving memory, vocabulary, and general knowledge have hardly budged. gp(8)22

23 Marks (2010) found evidence for unequal improvements across the entire IQ spectrum: the greatest effects of increased literacy rates were on those in the lower half of the IQ distribution. Flynn Effect – periodic restandarizations of IQ tests result in two people with same ability being or not being classified as disabled depending on when they were tested. gp(8)23

24 Explanations included: improved nutrition, a trend towards smaller families better education greater environmental stimulation heterosis (Hybrid Vigor) familiarity with multiple-choice questions gp(8)24

25 Aging and Intelligence Cross Sectional Studies (comparing age groups) show decline. Longitudinal studies (follow individual through life span) show more stability. gp(8)25

26 gp(8)26

27 Fluid vs. Crystallized Intelligence Fluid – speedy reasoning, ability to see novel solutions and think abstractly gp(8)27 Crystallized - accumulated knowledge, experience and wisdom.


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