Dr. Franke is conducting an experiment on group decision making. The experiment will run for an entire academic semester. Dr. Franke runs his experimental group at the beginning of the semester and his control group at the end of the semester. The confounding variable here is:
A) that different groups were run at different times during the semester.
B) not including more than one control group.
C) choosing to run his experiment at an academic institution.
D) None of the answers is correct.

Question

Quizplus · Accepted Answer

Running the experimental and control groups at different times during the semester introduces a confounding variable, as changes over time (e.g., student stress levels, academic workload) could affect the results.

Dr Franke Is Conducting an Experiment on Group Decision Making