Failing to find a significant difference between the experimental and control groups on variables that examine alternative explanations means:
A) these variables are responsible for any observed group differences.
B) these variables are not responsible for any observed group differences.
C) the independent variable is responsible for any observed group differences.
D) the independent variable is not responsible for any observed group differences.

Question

Quizplus · Accepted Answer

If no significant difference is found between the experimental and control groups on variables that examine alternative explanations, it means these variables are not responsible for any observed group differences. This result reinforces the conclusion that the independent variable is responsible for any observed group differences.

Failing to Find a Significant Difference Between the Experimental and Control