PSY 4372 Lecture Notes - Lecture 9: Posttraumatic Stress Disorder, Rorschach Test, Thematic Apperception Test
5 Jun 2018
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Lecture 9: Intelligence
The ability to do scholastic tasks (Binet).
A persons global capacity to act purposefully, to think in a rational manner and to deal effectively with his or her
environment (Wechsler).
The ability to reason, plan, solve problems, think abstractly, comprehend complex ideas, and to learn from
experience (Gottfredson).
The Binet-Simon scale was originally developed in France to measure normal scholastic task.
Weschesler are now the most commonly used.
Correlates of Intelligence (Nisbett et al. 2012)
• 40-80% of variability in intelligence scores is due to genetic factors
• environment affects the extent to which individuals achieve their full genetic potential
• 280 genes associated with intellectual disability identified; no single gene associated with a normal variation of
intelligence
Variables that are potentially protective
• breast feedings, associated with higher IQs among babies born prematurely
• higher SES in children adopted from low SES homes
• aerobic exercise in older adults
Theories of Intelligence
i. Factor Models
a. Spearman: The g factor for general intelligence, core of intelligence that can be seen across a diverse range of
tasks. The s factor is specific abilities such as sensory discrimination or reaction time.
b. Thurstone: defined primary mental ability as spatial, perceptual, numerical, memory, verbal, word, reasoning,
deduction, induction. Small overlaps in primary mental Kabul
i. Hierarchal Models
a. Cattell: separated fluid and crystallized intellegence. Fluid is the ability to solve problems without prior
experience, innate potential. Crystallized is the abilities learned from life.
i. Information Processing Models: Gardners theory of multiple intelligences. Logical mathematical, linguistic,
musical, interpersonal, interpersonal, bodily-kinaesthetic, and spiritual.
Assessing Intelligence in a Clinical Context
• to identify possible impairments/weaknesses/strengths
• to identify approbate learning environments
• to make recommendations for modifying work/home environments
Wechsler Scales
• most commonly used from toddler to older adults
• WPPI-III 2.6y to 7.7y
• WUSC-IV 6-16
• WAIS-IV 16-90
All these scales have standardized scores, a mean of 100 and a standard deviations of 15. Each subtest has a mean
standard score of 10 and a standard deviation of 3.
• excellent internal consistency
• factor analysis supports the indexes
Full scale Weschsler scale taps into G factors, also known as IQ.
• giftedness is considered above an IQ of 130, disability is 65-75 or lower.
• the adult measure looks at verbal comprehension, perceptual reasoning, working memory and processing speed
The Weschsler Individual Achievement Test looks at a reading math, written, and oral language composite.
Lecture 10: Self Report and Projective Measures
Three different types of self-presentation biases.
• malingering
find more resources at oneclass.com
find more resources at oneclass.com
Document Summary
A persons global capacity to act purposefully, to think in a rational manner and to deal effectively with his or her environment (wechsler). The ability to reason, plan, solve problems, think abstractly, comprehend complex ideas, and to learn from experience (gottfredson). The binet-simon scale was originally developed in france to measure normal scholastic task. Variables that are potentially protective: breast feedings, associated with higher iqs among babies born prematurely, higher ses in children adopted from low ses homes, aerobic exercise in older adults. Theories of intelligence: factor models, spearman: the g factor for general intelligence, core of intelligence that can be seen across a diverse range of tasks. The s factor is specific abilities such as sensory discrimination or reaction time: thurstone: defined primary mental ability as spatial, perceptual, numerical, memory, verbal, word, reasoning, deduction, induction. Small overlaps in primary mental kabul: hierarchal models, cattell: separated fluid and crystallized intellegence.
