Correlational Designs a Negative Correlation Between Marijuana Use and Student

question 44

Multiple Choice

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