When researchers explore the relationship between students' grades and their current happiness, they are conducting a:
A) correlational study.
B) true experiment.
C) cross-sectional study.
D) longitudinal study.

Question

Quizplus · Accepted Answer

Correlational studies examine the relationship between two or more variables without manipulating any of them. In this case, the researchers are exploring the relationship between grades and happiness, without manipulating either variable.

When Researchers Explore the Relationship Between Students' Grades and Their