7.4 A Dichotomous or Categorical Moderator in SPSS

Figure 7.23: Creating categorical by numerical interaction predictors for regression in SPSS.

Figure 7.24: Estimating categorical by numerical moderation with regression in SPSS.

Figure 7.25: Representing moderation by regression lines in a scatterplot in SPSS.

Figure 7.26: Checking common support for a predictor at different moderator values in SPSS.