⟩ Look at the output on p. 470. Which of the following statements is true of the effect of age and group differences?
1. The effect of group differences and the effect of age cannot be compared as they are measured differently and represent different variables.
2. The effect of group differences is larger than the effect of age.
3. The effect of group differences and the effect of age are roughly the same.
4. The effect of group differences is smaller than the effect of age.
The effect of group differences is larger than the effect of age.
