Mel finds the relationship between alcohol consumption and reaction time is -.63.However,the relationship between coffee consumption and reaction time is +.52.Mel can conclude
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 the relationship between coffee consumption and reaction time.
D) that alcohol consumption is directly related to coffee consumption.

Question

Quizplus · Accepted Answer

The strength of a relationship is indicated by the absolute value of the correlation coefficient, regardless of its sign. A correlation of -.63 (alcohol and reaction time) is stronger than a correlation of +.52 (coffee and reaction time) because 0.63 is greater than 0.52.

Mel Finds the Relationship Between Alcohol Consumption and Reaction Time