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Psychology 1000 Lecture Notes - Autism, Sensory Deprivation, Content Validity

Course Code
PSYCH 1000

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Chapter 9 -Intelligence
Problem Solving
Next time: nonverbal behaviour
Scan: pg 438-447
How can we be more creative in our class?
Video Discussion next week - released Tuesday(probably)
What are some theoretical explanations for intelligence?
What approaches do people us to solve problems?
What is intelligence?
Which of the following is not a measure of validity according to the text?
 Construct validity
 Content validity
 Interjudge validity
 Predictive validity
 All are measures
BUT… what is intelligence?
Autistic disorder
Savant syndrome
Eidetic imaging
Sensory deprivation
Lateralization(best explanation)
Sternberg, 1985
Ability to give factual responses correctly (to many questions)
Ability for abstract thinking
Ability to adapt to new situations (closer to EQ than IQ)
Ability to acquire knowledge
Ability to profit from experience
Intelligence is Unitary
o Better statistics(factor analysis)
o Looks for patterns of correlation --> "g" - for general intelligence
o each test has a specific ability - allowing some variation
o Look for strong positive correlations among all the tests
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Intelligence is Multiplex
o "better" statistics
o Independent primary mental abilities
o No "g" factor
Instead there are a bunch of primary mental abilities
Thurstrone: 7 Primary Abilities
Verbal comprehension
Verbal fluency
Spatial visualization
Association memory
Perceptual speed (Galton's Idea)
How many primary abilities are there?
Depends on number of tests and number of factors extracted
Thurstone = 7
Guilford = 120
The model says its more than 1, so the actual number doesn’t matter
BUT… What is intelligence?
Intelligence is a pattern of mathematical correlations
The raw ability to process information
Information Processing Approach
Intelligence reflects how we acquire and process information
Speed of processing
o Jensen (1987)
o Vernon (1987)
Neuropsychological Approach
Gardner (1985)
Based on case studies and neurological evidence
Multiple types of intelligence
Other Multiple Models
Vernon: practical - mechanical
verbal - educational
Cattel: Fluid vs. crystallized
(raw ability vs. knowledge)
As you grow older, your raw ability decreases but your crystallized grows or stays the same
Sternberg's Triarchic Theory
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