which of the following principles of experimental design ensures that the explanatory variable, and not some variable over which the experimenter has no control, is causing observed changes in the response

asked Nov 26, 2018 34.7k views

1 vote

7.4k points

Please log in or register to add a comment.

4 votes

control is right yay

8.0k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.1m answers