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Stress and Illness: Correlation, Mechanism, and Causation
Grade Level
CLEP
CLEPPSY.222 Stress and Illness: Correlation, Mechanism, and Causation
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A longitudinal study measures stress every month and health only at the end. Which improvement would best help evaluate direction of effects?
A
Replace health measures with a single personality label.
B
Stop measuring stress after the first month.
C
Ask participants to guess the research hypothesis before enrollment.
D
Measure health repeatedly as well, so changes in health and stress can be compared over time.
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