40. 績效考核的方法 Written essay Simple to use More a measure of evaluator writing ability than of employee actual performance Critical incidents Rich examples Time-consuming; lack behaviorally based quantification Graphic rating Provide quantitative Do not provide depth scales data; less time- of job behavior consuming than assessed others BARS focus on specific time-consuming; and measurable job difficult to develop behaviors measures Multiperson compares employees Unwieldy with large with one another number of employees MBO Focuses on end Time consuming goals; results- oriented METHOD ADVANTAGE DISADVANTAGE