People's use of marijuana correlates positively with their probability of developing schizophrenia.What,if anything,can we conclude from this observation?
A)Marijuana increases the risk of schizophrenia.
B)People developing schizophrenia become more likely to use marijuana.
C)Neighborhoods where schizophrenia is common tend to have easy access to marijuana.
D)We can draw none of these conclusions.

Question

People's use of marijuana correlates positively with their probability of developing schizophrenia.What,if anything,can we conclude from this observation?​
A)Marijuana increases the risk of schizophrenia.
B)​People developing schizophrenia become more likely to use marijuana.
C)​Neighborhoods where schizophrenia is common tend to have easy access to marijuana.
D)​We can draw none of these conclusions.

Quizplus · Accepted Answer

The observation only shows a correlation between marijuana use and the probability of developing schizophrenia, not causation. It does not specify the direction of the relationship or any external factors that might influence both, such as environmental factors.

People's Use of Marijuana Correlates Positively with Their Probability of Developing