Because the Participants Who Drop Out of a Longitudinal Study

question 58

Multiple Choice

Because the participants who drop out of a longitudinal study are likely to be different in some ways from those who remain until the end of the study

• A) the conclusions drawn from longitudinal studies are seldom reliable.
• B) the sample that is initially representative becomes increasingly biased over time.
• C) there will be a cohort effect upon the final results.
• D) attrition will make the sample more representative over time.

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Definitions:

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Postpartum Depression

A type of depression that can occur in mothers following childbirth, characterized by sadness, fatigue, and anxiety.

Symptoms Occurrence

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Highest Risk

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