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 was no difference in test performance between the experimental group (who listened to music) and the control group (who did not), the most straightforward conclusion is that listening to music had no effect on learning. This conclusion is based on the assumption that the experiment was designed and conducted properly, with controlled extraneous variables and random assignment of participants to groups.

You Are Conducting an Experiment to Determine If Listening to Music