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A moderator variable is, in general terms, a qualitative (e.g., sex, race, class) or quantitative (e.g., level of reward) variable that affects the direction and/or strength of the relation between dependent and independent variables. moderator variable is, in general terms, a qualitative (e.g., sex, race, class) or quantitative (e.g., level of reward) variable that affects the direction and/or strength of the relation between dependent and independent variables.
This is called the eclectic approach. Other important terms often used in psychology include â Definitions Catalyst â A person/thing that causes an important change. A facilitating factor. Cumulative â Growing in strength, amount or effect by small steps, subject to accumulation. Facilitate â Make easier.