The document discusses methods for improving the return on investment (ROI) of psychometric assessments in human resources. It provides examples of ROI calculations for different selection processes that show ROI can be over 2000%. It recommends ways to increase validity and decrease costs such as online testing, reducing assessor time, improving the candidate experience, and customizing assessments. The conclusion is that proper assessment has a very high ROI, so organizations should measure and improve their assessment processes.