In an experiment, manipulation of the independent variable requires ____.
A) creating one treatment condition defined by one level of the independent variable
B) creating at least two treatment conditions defined by two different levels of the independent variable
C) creating at least three treatment conditions defined by three different levels of the independent variable
D) measuring two separate variables to determine how they are related

Question

Quizplus · Accepted Answer

Manipulation of the independent variable requires creating at least two treatment conditions defined by two different levels of the independent variable. This manipulation allows for the comparison between the groups and the effect of the independent variable on the dependent variable. Therefore, option B is the correct choice. The other options do not accurately describe the manipulation of the independent variable.

In an Experiment, Manipulation of the Independent Variable Requires ____