Esteban completed a research study for class credit. He thought it was odd that he only had to complete a single self-report questionnaire after finding out from some of his classmates that they had to stare at a light before completing the questionnaire. Esteban was most likely in the:

Question

Quizplus · Accepted Answer

The fact that Esteban only had to complete a self-report questionnaire and did not undergo any manipulation or intervention indicates that he was in an empty control group. This group serves as a comparison group to the experimental group and does not receive any treatment or manipulation. The placebo group would have received a fake treatment or intervention, the experimental group would have undergone the same light-staring intervention, and the baseline group would have had their initial level of the variable of interest measured before any manipulation occurred.

Esteban Completed a Research Study for Class Credit