6.4 A Dichotomous or Categorical Moderator in SPSS

Figure 6.23: Creating categorical by numerical interaction predictors for regression in SPSS.

Figure 6.24: Estimating categorical by numerical moderation with regression in SPSS.

Figure 6.25: Representing moderation by regression lines in a scatterplot in SPSS.

Figure 6.26: Checking common support for a predictor at different moderator values in SPSS.