| Abstract: | This research contributes to the methodologies in HPT program evaluation and measurement that are fairly lacking to date. First, a theoretical foundation for a control group is established based on a brief review of control group applications in various fields. Then, four types of control groups applicable to HPT program evaluation and measurement are defined and classified, and threats to internal and external validity in control group applications are explored. Lastly, four evaluation and measurement scenarios are presented for an E‐learning program to demonstrate the applicability of the control group methods for HPT program evaluation and ROI measurement. |
