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Thread: Comparison groups - how to test whether effect is stronger on one group than another?

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    Comparison groups - how to test whether effect is stronger on one group than another?




    Hi guys,

    I would like to know whether a nominal variable (with four categories: credit-, debitcard, cash and neutral priming method) has a stronger effect on luxury vs non-luxury consumers. The DV is the likilihood to buy a product and the IV is the nominal variable with the afore mentioned priming methods. I have tested the effect of the nominal variable on two groups, by conducting a One Way ANOVA. However I would like to know how I can test whether and to what extent a priming method (let's say cash priming) has a stronger effect on one group (luxury consumers) compared to another group (non-luxury consumers). It would be great if someone could give me some advice.

    Many thanks in advance!

    Cheers,

    Gus

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    Re: Comparison groups - how to test whether effect is stronger on one group than anot


    Assuming that the 4 priming methodes were applied to 4 distinct groups (no repeated measures design), then factorial ANOVA with 2 factors (priming and group). The interaction tells us whether the effect of one factor differs between levels of the other factor.

    With kind regards

    K.

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