<P>From the leading minds that have established <I>Harvard Business Review</I> as required reading for businesspeople around the globe.<P><P>While often loathed by supervisors and subordinates alike, appraisals are necessary precursors of performance improvement. This helpful collection examines the employee review process from many angles, exploring why we dislike it, how it could be better, and how appraisals should differ depending on the employee in question. Whether concerned with retaining stars, guiding underperformers, or improving one's own performance-readers will learn to approach appraisals in new and more productive ways.<P>