A Longitudinal Study Described in Your Book Tested the Level

A longitudinal study described in your book tested the level of self-esteem and depression over a two-year time period in workers who either remained in the labor force throughout the study or retired during the course of the study.What was found?

A) Level of self-esteem declined in the workers but not the retirees.
B) Depression scores declined in the retirees but not the workers.
C) Depression scores declined in the workers but increased in the retirees.
D) Level of self-esteem and depression scores increased in both workers and retirees.