In which research design are age differences and cohort differences hopelessly tangled?
a. Cross-cultural
b. Cross-sectional
c. Longitudinal
d. Sequential
Question 2
The fact that individuals who were born in 1980 will develop differently than individuals born in 1880 is best explained using the concept of _____ effects.
a. age
b. microsystem
c. cohort
d. social clock