You are conducting an experiment to determine if listening to music improves learning.If there was no difference between the test performance of the experimental and control
Groups,then we can conclude that
A) extraneous variables were not controlled.
B) the two groups were not randomly assigned.
C) listening to music improved learning.
D) listening to music had no effect on learning.

Question

Quizplus · Accepted Answer

If there is no difference between the test performance of the experimental and control groups, it indicates that listening to music had no effect on learning. It cannot be concluded that extraneous variables were not controlled or that the two groups were not randomly assigned without further analysis.

You Are Conducting an Experiment to Determine If Listening to Music