Dr. Ellison finds a relation between amount of sleep and problem solving. Specifically, having a higher amount of sleep the night before an exam is associated with higher scores on two measures of problem solving. This is an example of which type of association?
A)negative association
B)positive association
C)zero association
D)causal association

Question

Quizplus · Accepted Answer

Dr. Ellison's findings suggest that as the amount of sleep increases, the scores on measures of problem solving also increase. This indicates a positive association between the two variables.

Dr Ellison Finds a Relation Between Amount of Sleep and Problem