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14 Cards in this Set
- Front
- Back
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what is g? |
general intelligence is the concept that general intelligence as a single factor that influences all cognitive function |
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what is a stanford binet test? |
a modern version of first IQ test, testing verbal and non verbal items |
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what is raven's standard progressive matrices? |
a non verbal intelligence test requiring analogous reasoning on geometric shapes n patterns, designed to be culture free |
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what is fluid intelligence? |
a fundamental factor in intelligence that represents the ability to think and reason on your feet. |
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what is crystallized intelligence? |
a fundamental factor in intelligence that represents the knowledge accumulated of an individual |
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what did alfred binet do? |
he wanted to measure child's intelligence and potential, genetic general intelligence, predict the effect of education educational service categorization |
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what is WISC? |
Wechsler intelligence scale, measures verbal and performance to combine in overall score. (WASI is the adult ver n has same componenets) |
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what are monozygotic and dizygotic twins? |
MZ are identical twins that share 100% of genetic material cuz they develop from a single egg n sperm DZ fraternal twins who share 50% of genetic material cuz they develop from separate eggs |
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why does heritability of IQ increase as children ages? |
1.statistical error in younger children(dk what to do in test etc) 2.genes may determine life exp(vulnerable to disease) 3.maturation |
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how does SES affect heritability of IQ? |
high SES: optimal environment,variance due to genes low SES: environment might contribute relatively more than genes still under debate |
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what is the flynn effect and what are some possible causes? |
the increase in IQ scores from one gen. to another(avrg=3 points),cannot be explained by an increase in intelligence in population. could be due to btr education, parenting style, nutrition |
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elardo tested IQ of children at 3yr & 4/5 yr, they were put in an enriched environment at 6months n 24 months, what happened? |
enriched environment score correlated substantial with ltr iq(.44 to .7), also applies to adopted children |
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why does iq decrease with each successive child? |
emotional n intellectual attention decreases with each child, larger families bck then had lower ses, so less money spent per child |
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what are the contradicting findings regarding how nutrition affects IQ? |
bention & roberts: vitamins gave an IQ of 9 compared to placebo schoenentaler: replicated in USA, crombie n colleagues could not replicate in scotland additives only improve IQ in children who were previously impoverished |
