A problem with a longitudinal design is that the results may be distorted by ____.
A) cohort effects
B) participant attrition
C) differential history effects
D) assignment bias

Name: A problem with a longitudinal design is that the results may be distorted by ____. A) cohort effects B) participant attrition C) differential history effects D) assignment bias
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Question

Quizplus · Accepted Answer

Longitudinal studies often face participant attrition, where participants drop out over time, potentially distorting results.

A Problem with a Longitudinal Design Is That the Results