An untrained manager can make a performance review awkward, ineffective, and demoralizing. Here are five common mistakes managers make during performance reviews – and how to prevent them.

My new manager never supported my development. As a result, I was downgraded for my performance in that position, costing me a significant portion of my bonus.

The board members who review the performance of a bishop should not be priests or laity subject to the bishop’s authority. Instead, they should be members of neighboring dioceses.

The researchers ran 270 regressions in all—nine racial/ethnic leadership diversity measures applied to six performance measures for each of the five fiscal years studied. Diversity predicted next year ...