Experiments are powerful and help determine cause because the experimenter manipulates a variable between groups holding other factors constant.This manipulated variable is the:

Question

Quizplus · Accepted Answer

The independent variable is the manipulated variable in an experiment. It is the variable that the experimenter changes or controls to see its effect on the dependent variable. Other factors that can have an impact on the dependent variable are held constant or controlled for in the experiment. Therefore, choice A is the correct answer.

Experiments Are Powerful and Help Determine Cause Because the Experimenter