DrEllison Finds a Relation Between the Amount of Sleep and Problem

Multiple Choice

Dr.Ellison finds a relation between the 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) There is not enough information to answer this question