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Lecture

Lecture 21.docx

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Department
Psychology
Course Code
PSY230H5
Professor
Ulrich Schimmack

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Lecture 21
MC20: Which statement about measures of unconscious/implicit aspects of personality is
INCORRECT?
A. Measures of unconscious processes have a long history in personality psychology.
B. Many measures of unconscious processes have low reliability and validity.
C. Modern measures of unconscious processes define unconscious as uncontrollable rather than as
being outside of awareness.
D. Modern measures of unconscious process like the IAT can predict actual behaviors.
E. Modern measures of implicit self-esteem have better validity than self-report measures of self-
esteem.
Answer: D
IQ tests show reliability and validity
Theyre both right. Its just a hierarchy to define people at different levels. So you have the G-factor from
spearman. But then the mutliple intelligences are more specific
Fluid intelleigence decreases with age, crystallized intelligence increases with age
Clearly a strong heritbaility for intelligence
Conclusion
- American Psychological Association (APA) task force.
-Heritability of IQ after late adolescence is about .75.
-No effect of shared environment in adulthood.
-For children heritability is lower (~45%)
-For children shared environment has an effect (> 20%).
-For most children (90% of the population), breast feeding was a predictor of higher IQ (~ 7 points).
- For these children, breast feeding was also a predictor of mothers’ IQ (~ 8 points).
- After controlling for the effect of mothers’ IQ on children’s IQ, the effect of breastfeeding is smaller (~
4-5 IQ points).
- New formulas include fatty acids that may simulate the effect of breast milk.
Conclusion
-Both genes and environment matter.
genetic effects are stable (unless biological changes occur due to brain damage or aging).
-Environmental effects are more short lived.
-Real World Implications
-Intelligence is like physical fitness. You have to exercise your brain to maintain your IQ.
Conclusion
- People are not very good at assessing their own intelligence.
- Their partners are not more accurate.
- Ratings of a brief video with sound are as good a measure of IQ as self-ratings or ratings by
acquaintances.
-Personal Relevance
-Both overestimation and underestimation of intelligence may lead to bad career choices.

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Description
Lecture 21 MC20: Which statement about measures of unconscious/implicit aspects of personality is INCORRECT? A. Measures of unconscious processes have a long history in personality psychology. B. Many measures of unconscious processes have low reliability and validity. C. Modern measures of unconscious processes define unconscious as uncontrollable rather than as being outside of awareness. D. Modern measures of unconscious process like the IAT can predict actual behaviors. E. Modern measures of implicit self-esteem have better validity than self-report measures of self- esteem. Answer: D IQ tests show reliability and validity Theyre both right. Its just a hierarchy to define people at different levels. So you have the G-factor from spearman. But then the mutliple intelligences are more specific Fluid intelleigence decreases with age, crystallized intelligence increases with age Clearly a strong heritbaility for intelligence Conclusion - American Psychological Association (APA) task force. -Heritability of IQ after late adolescence is about .75. -No effect of shared environment in adulthood. -For children heritability is lower (~45%) -For children shared environment has an effect (> 20%). -For most children (90% of the population), breast feeding was a predictor of higher IQ (~ 7 points). - For these children, breast f
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