PSAT stands for Preliminary SAT, where SAT is the Scholastic Aptitude test. It is a standardized test that allows for a nation-wide comparison of students. The results of the test are relevant for the National Merit Scholarship program.
The correct answer is that the limitation of this field study "determining direction of causality would be difficult because data are correlation & so many factors affect real life situations, it would be hard to control all the variables that creates findings harder to interpret."
In the given situation, because of the many factors present in the study and it affects real life situations, which are uncontrollable, which is why this study has this kind of limitation.
