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Module 31
Genetic and Environmental Influences on Intelligence
| Question | Answer |
|---|---|
| What is heritability? | the proportion of variation among individuals that can be attributed to genes |
| What is stereotype threat? | the phenomenon in which a person's concern that he or she will be evaluated based on a negative stereotype is actually followed by lower performance |
| Whose intelligence scores are more similar: fraternal twins reared together or identical twins reared apart? | identical twins reared apart |
| True or False: The gender gap in math and science scores is increasing. | False |
| What do most psychologists believe cause racial gaps in test scores? | environmental factors |
| What does it mean to say that the heritability of a trait is approximately 50 percent? | it means that of the variation in the trait within a group of people, 50 percent can be attributed to heredity |
| What does it mean to say that intelligence is influenced by many genes? | it is polygenic |
| Most psychologists agree that, in terms of predictive validity, the major aptitude tests _________ racially biased. | are not |
| The gap in intelligence scores between Black and White children is _______________________. | not increasing |
| The variation in intelligence scores ________ a racial group is much larger than that _________ racial groups. | within; between |
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