Researchers studied the effects of exercise on the physical health of more than 5000 residents in one locale throughout their middle and late adulthoods.The research best illustrates
A) life-span development.
B) a cross-sectional study.
C) a computer-cased training program.
D) a longitudinal study.

Question

Quizplus · Accepted Answer

The research involves following the same group of individuals over an extended period of time (middle and late adulthoods), which is a characteristic of longitudinal studies. The study is not comparing different age groups at one point in time (cross-sectional study) and does not involve a computer-based training program. The focus on physical health also suggests that this is an example of lifespan development.

Researchers Studied the Effects of Exercise on the Physical Health