1. C

    Contrast coding for a 2x2 ANOVA in SPSS - Lmatrix error

    Hello all, I'm interested in testing my data for a particular contrast. I have two independent variables each manipulated at two levels between subjects resulting in a 2x2 design. The first independent variable (MT) is coded as either 0, 1. The second independent variable (PA) is also coded as...
  2. L

    Following up a 3-way interaction in a mixed ANOVA using LMATRIX and MMATRIX in SPSS

    Hi everybody, I have conducted a memory study, where participants were either exposed to a stress task or a non-stressful control task in either an immediate or a delayed condition and then had to recall three different types of items. So I have a mixed design with one within-subjects factor...