A researcher conducts a study on the relationship between caffeine consumption and performance on a math test. What kind of study is this?
A) experimental
B) correlational
C) quasi-experimental
D) There is not enough information here to tell for sure.

Question

Quizplus · Accepted Answer

The description does not specify whether the researcher is manipulating caffeine consumption or merely observing it, so it's unclear if the study is experimental, correlational, or quasi-experimental.

A Researcher Conducts a Study on the Relationship Between Caffeine