Subject variables are characterized by all of the following except that they
A)are neither dependent nor truly independent variables.
B)cannot be manipulated or randomly assigned.
C)may include gender and ethnicity of participants.
D)are essential for field experiments.

Question

Quizplus · Accepted Answer

Subject variables are not essential for field experiments; they are characteristics of participants that cannot be manipulated, such as gender or ethnicity.

Subject Variables Are Characterized by All of the Following Except