A. Measuring End Results: The Return-on-Investment Plan
After you have selected an intervention strategy to reduce the gap between the needed performance to obtain the desired end results and the actual workplace performance, it is important to design an evaluation measurement strategy (see Figure A.1). Doing so helps you figure out when the desired performance has been met. This appendix discusses scientific methods (using both hard data, such as records, and soft data, such as people’s perspectives) you can use to evaluate the results of an intervention and measure the return on investment (ROI). Let’s start by reviewing the origins of measuring the ROI for performance interventions.