A study found that as the number of hours of studying increases that the test scores also increase. Which of the following statements is true?

A. There is not a causal relationship because studying doesn't cause better scores.
B. There is a causal relationship because there is a positive correlation between the data.
C. There is not a causal relationship because there is a negative correlation between the data.
D. There is a causal relationship because studying increases learning causing better scores.

1 answer

D. There is a causal relationship because studying increases learning causing better scores.