Fierce believes ROI is one piece of the evaluation puzzle, while ROE represents the entire picture. In other words, ROE is a comprehensive assessment comprised of the individual pieces of an overall learning strategy as well as how they fit together to achieve results.
This supplementary paper from Fierce, Inc.:
Looks at the history of ROI in training assessment
Examines ROE and the big picture of learning evaluation
Offers steps for establishing the ROE process
Pinpoints key differences between ROI and ROE and when to focus on each
