Managers must be able to determine whether their workers are doing an effective and efficient job, with a minimum of errors and disruptions. They do so by using a performance appraisal, an evaluation that measures employee performance against established standards in order to make decisions about promotions, compensation, training, or termination. Managing effectively means getting results through top performance. That's what performance appraisals at all levels of the organization are for—including at the top, where managers benefit from review by their subordinates. In the 360-degree review, management gathers opinions from all around the employee, including those under, above, and on the same level, to get an accurate, comprehensive idea of the worker's abilities. a. True
b. False