ASTD has created a new series, titled What Works, to provide you with practical tools for translating the findings of sound research into sound practice. The authors have critically assessed the research evidence on their topics and have provided authoritative and succinct reviews of the research along with implications for you. This volume addresses Competency Assessment Models-an approach to getting the right person into the right job Learning Style-various approaches and instrumentation used to promote effective learning outcomes, performance, and career development Organizational Learning-different ways in which the idea of organizational learning has been conceptualized and measured Multirater 360 Feedback-explores its history, discusses four primary purposes for it, and presents research evidence related to its applications Evaluating Training-the last four decades of training evaluation research Return-on-Investment-eight guidelines for a sound ROI analysis.