Only the _____ design allows a researcher to potentially separate out effects of age, cohort, and time of measurement

In explaining adult development, psychologists must ______

a. explain both changes with age and continuities b. focus primarily on explaining changes with age c. focus primarily on explaining continuities with age d. deal most centrally with individual differences in responses to life problems

Gina is an intellectually curious child. She is a familiar patron at her local library. This example illustrates

A) canalization. B) an evocative gene–environment correlation. C) a passive gene–environment correlation. D) an active gene–environment correlation.