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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.
The two comments above are correct descriptions of a moderator and a Â´mediator, but did not answer whether direction changes can occur. Yes they can occur. For moderation. Independent variable is sight of a well grilled juicy steak and the dependent variable is feeling of joy.