Correlational Designs A negative correlation between marijuana use and student motivation does
Not prove that marijuana lowers motivation because
A)correlations are symmetrical, so that either variable could cause the other.
B)depression could affect both marijuana use and motivation.
C)marijuana use could lower motivation and reduced motivation could increase marijuana use.
D)all of these

Question

Quizplus · Accepted Answer

Correlations are not causal and could be influenced by other variables not accounted for. Depression could affect both variables, and the relationship could be bidirectional, with each variable influencing the other. Therefore, all of the options are possible explanations for the negative correlation observed.

Correlational Designs a Negative Correlation Between Marijuana Use and Student