Cronbachs Alpha This week, you have learned about how to use Cronbachs alpha as a measure of scale reliability. In this Application, you will calculate Cronbachs alpha for provided data. To prepare for this Application: Review pp. 706711 of the Field text for a description of using Cronbachs alpha to measure scale reliability. Review Chapter 5 from the APA manual, Displaying Results. The assignment: Calculate Cronbachs alpha on the scale provided on pp. 710-711 of the Field text using the SAQ (item 3 reversed).sav file.