Question: 7. A study is conducted with two different age groups (one group aged 22-26, and the other aged 52-56) to test a predicted sex difference

7. A study is conducted with two different age groups (one

7. A study is conducted with two different age groups (one group aged 22-26, and the other aged 52-56) to test a predicted sex difference within each group. Although the mean differences between men and women in each group are identical, and there are equivalent Ns for each group, the statistical test of the mean difference was significant only for the younger group. Why

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