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| a design in which all levels of each independent variable are combined with all levels of the other independent variables. A factorial design allows investigation of the separate main effects and interactions of two or more independent variables. |
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| the differing effect of one independent variable on the dependent variable, depending on the particular level of another independent variable |
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| A factorial design that includes both an experimental independent variable (IV) and a non-experimental participant variable (PV) |
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| main effect mixed factorial design |
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| a variable that influences the nature of the relationship between two other variable (an independent variable and a dependent variable) In a factorial design, the effect of the moderator variable is revealed as an interaction |
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| in a factorial design, the effect of one independent variable at a particular level of another independent variable |
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