Dr. Kiwanis is conducting a longitudinal study on the development of empathy in children. He samples children each year as they age but has found that, each year, his sample size is getting smaller because families are dropping out of the study. This is called

Question

Quizplus · Accepted Answer

Attrition refers to the loss of participants or dropouts from a study over time. In this case, families dropping out of the study is an example of attrition, which can be a challenge for longitudinal studies. Terminations, cohort effects, and infant determinism are not relevant to this situation.

Dr Kiwanis Is Conducting a Longitudinal Study on the Development