Homework Answers
Here, Correct answer is It prevents you from concluding differences in one variable cause differences in another variable,
Explanation :
as, Third variable problem include third cause that contribute to the problem, for example, people do swimming that cause to heart attack, here, people will understand that due to swimming, problem is coming, however, it is due to hot summer season, the heart attack is happening, so, this prevents you from concluding differences in one variable cause differences in another variable, it is no way a problem of bi-directionality and It does not involve random assignment. so other options are not correct.
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