This dataset demonstrates how to calculate Cronbach's Alpha. The dataset is a subset of survey data from a study that examined teachers' perceptions of a high school Dropout Prevention Program (DPP) in the United States (Geiger & Amrein-Beardsley, 2017). This example includes data for 13 survey items on four-point Likert-response scales from 29 respondents. The dataset file is accompanied by a Teaching Guide, a Student Guide, and a How-to Guide for SPSS