Categories English Once researchers have decided which variable to study, they must be concerned about the influence or effect of other variables that exist, such variable are usually called Post author By esimpk Post date December 8, 2021 A: Moderator variable B: Extraneous variable C: Manipulative variables D: Dependent variable ← Anxiety effects test performance, but the correlation is markedly lower for students with test taking experience in this hypothesis the independent variable is → One way to control extraneous variables is to hold them