**Intact Gift Giving Condition book**
The definitive text on Performance Management (PM) will always be a work in progress because science is a work in progress. The "R+ Book", Fourth Edition: More than a revision – An evolution! Performance Management offers strategies gained through ongoing research and successful PM applications in businesses and industries around the world. Since the 1989 publication of the third edition of this book, both scientists and practitioners have made continual advances in behavior-based performance enhancement.