Asked by Pouline Juliet on May 10, 2024
Verified
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.
Alcohol Consumption
The act of drinking beverages containing ethanol, which can have various social, cultural, and health impacts.
Reaction Time
The amount of time taken to respond to a specific stimulus.
Coffee Consumption
The act of drinking coffee and the patterns associated with it, often studied for its effects on health and behavior.
- Acquire knowledge about the correlation coefficient and its critical role in statistical studies.
- Become familiar with the principle of effect size and its essentiality in the context of statistical examination.
Verified Answer
YZ
Yipeng ZhangMay 15, 2024
Final Answer :
B
Explanation :
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.
Learning Objectives
- Acquire knowledge about the correlation coefficient and its critical role in statistical studies.
- Become familiar with the principle of effect size and its essentiality in the context of statistical examination.