Use the following information for questions:
A random sample of 500 students showed a statistically significant relationship between where the students usually sat in class (front, middle, or back) and grade point average (GPA).
-Can a conclusion that where a student sits in the classroom causes a change in GPA?
A) A cause and effect relation might be concluded because the results were statistically significant.
B) A cause and effect relation might be concluded because the study was a randomized experiment.
C) A cause and effect relation cannot be concluded because the study was an observational study.
D) A cause and effect relation cannot be concluded because seating preference was self-reported.

Question

Use the following information for questions:
 A random sample of 500 students showed a statistically significant relationship between where the students usually sat in class (front, middle, or back) and grade point average (GPA).
-Can a conclusion that where a student sits in the classroom causes a change in GPA?
A) A cause and effect relation might be concluded because the results were statistically significant.
B) A cause and effect relation might be concluded because the study was a randomized experiment.
C) A cause and effect relation cannot be concluded because the study was an observational study.
D) A cause and effect relation cannot be concluded because seating preference was self-reported.

Quizplus · Accepted Answer

A cause and effect relationship cannot be concluded from an observational study because it does not control for other variables that might influence the outcome. The study's design does not allow for the determination of causality, only association.

Use the Following Information for Questions