PS102 Lecture Notes - Lecture 11: Behavioural Genetics, Knowledge Acquisition, Twin Study

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31 Jan 2013
Michael Matthews February 9, 2012
Lecture 11
Sternberg’s triarchic theory of intelligence:
oComponential piece
3 substructures
Metacomponents- knowledge about self (own limits and abilities)
Performance- higher order skill (reading- monitoring what you’ve just read)
Knowledge acquisition (I understand, or don’t, I am aware, I am not aware)
Novelty- bring the prior knowledge (try and look for similarities for things I’ve
seen before so you can quickly adapt)
Culture- intelligence is culturally defined
Psychometric approach:
oMeasure and assess intelligence
oBased on the bell curve, or normal distribution
oMost intelligence tests do not test social abilities/ adaption to environment.
About IQ Tests
oAverage usually 100
oStandard Deviation is usually set at 15
oComparison group is the rest of the population
oYou want to have as diverse a population sample as possible
Requirements for good tests:
oReliable- ability of a test to yield nearly the same score each time a person takes the test
or an alternative of the test
oValidity- ability of a test to measure what it is intended to measure
oStandardized- establishing norms for comparing the scores of people who will take the
test in the future
Nature vs. nature:
oIntelligence tests sit at the seat of many political debates
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