Imagine we found that drinking caffeine before going to bed significantly moderates the relationship between worry and sleep disturbances. What does this tell us?
A)That the relationship between worry and sleep problems changes as a function of caffeine consumption.
B)None of these.
C)That drinking caffeine before going to bed increases worry which in turn increases sleep disturbances.
D)That people who worry are more likely to drink caffeine before going to bed, leading to sleep disturbances.

Question

Quizplus · Accepted Answer

This tells us that there is a moderating effect of caffeine consumption on the relationship between worry and sleep disturbances. In other words, the relationship between worry and sleep problems is not the same for individuals who drank caffeine before going to bed versus those who did not. This finding suggests that caffeine may have an impact on how worry affects sleep.

Imagine We Found That Drinking Caffeine Before Going to Bed