What do all experiments have in common?
A)there are at least two different ways in which participants are treated
B)at least one independent variable will be an instructional variable
C)there must be at least two dependent measures
D)there must be a control group

Question

Quizplus · Accepted Answer

All experiments involve manipulating at least one independent variable to observe its effect on a dependent variable, which means there are at least two different conditions or ways participants are treated.

What Do All Experiments Have in Common