Anastasia finds the relationship between alcohol consumption and reaction time as -.63. However, the relationship between coffee consumption and reaction time is +.52. What can she conclude from this data?
A)The relationship between alcohol consumption and reaction time is weaker than the relationship between coffee consumption and reaction time.
B)The relationship between alcohol consumption and reaction time is stronger than the relationship between coffee consumption and reaction time.
C)The direction of the relationship between alcohol consumption and reaction time is approximately the same as that of the relationship between coffee consumption and reaction time.
D)The direction of the relationship between alcohol consumption and reaction time cannot be compared to that of the relationship between coffee consumption and reaction time.

Question

Quizplus · Accepted Answer

The magnitude of the correlation coefficient indicates the strength of the relationship, with -0.63 being stronger (closer to -1 or 1) than +0.52. The sign indicates the direction of the relationship, not its strength.

Anastasia Finds the Relationship Between Alcohol Consumption and Reaction Time