Group Differences in Intelligence Test Scores

Instructions:

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question 1 of 3

Which type of study has NOT provided evidence for the influence of heredity on intelligence?

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1. Racial and ethnic minority children are more likely to be exposed to poorer nutrition, which can negatively affect cognitive development and functioning. This is an example of _____ for group differences in IQ scores.

2. Which of the following statements provides evidence for heredity as an explanation for group differences in IQ?

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