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 No Comments on 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 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variable is → One way to control extraneous variables is to hold them Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.