Question: Studies of twins may reveal more about the nature or
Studies of twins may reveal more about the “nature or nurture” debate. The issue being debated is whether nature or the environment has more of an effect on individual traits such as intelligence. Suppose that a sample of identical twins was selected and their IQs measured. Use a suitable graphical technique to depict the data, and describe what it tells you about the relationship between the IQs of identical twins.
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