Respuesta :
In an experimental design, the variable the
researcher has control over and that is different for the treatment and control
groups is called the explanatory variable.
The explanatory variable can be controlled and manipulated by the experimenter.
The explanatory variable can be controlled and manipulated by the experimenter.
The correct answer between all the choices given is the last choice or letter E. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.
Answer:
E. Explanatory variable
Explanation:
Correct for apex