8.4 A Dichotomous or Categorical Moderator in SPSS

Figure 8.23: Creating categorical by numerical interaction predictors for regression in SPSS.

Figure 8.24: Estimating categorical by numerical moderation with regression in SPSS.

Figure 8.25: Representing moderation by regression lines in a scatterplot in SPSS.

Figure 8.26: Checking common support for a predictor at different moderator values in SPSS.