Comparative systems base the measurement on comparing employees with each other and include simple rank order, alternation rank order, paired comparisons, and forced distribution. Comparative systems are easy to explain and the resulting data are easy to interpret, which facilitates administrative decisions. Simple rank order--employees are ranked from best performer to worst performer. b. Alternation rank order--in an alternation rank order procedure, the supervisor initially lists all students. Then, the supervisor selects the best performer, then the worst performer, then the second best, then the second worst, and so forth. Alternation rank order, in an alternation rank order procedure, the supervisor initially lists all students. Then, the supervisor selects the best performer, then the worst performer, then the second best, then the second worst, and so forth, alternating from the top to the bottom of the list until all students have been ranked. Paired comparisons, explicit comparisons are made between all pairs of students to be evaluated. The number of pairs of students to be compared is computed by the following equation. The first step will be to collect information about the job and identify areas of the job where the employee is responsible for producing results and their relative degree of importance; e.g., percent of time spent performing the accountability, consequences of inadequate performance, and consequences of error. A plus side of using a comparative system is that it does make it a level playing field across the board, and ensures that everyone is treated fairly. The disadvantage in my opinion could be that there are too many variables that can drastically change someones performance rating.
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Comparative systems base the measurement on comparing employees with each other and include simple rank order, alternation rank order, paired comparisons, and forced distribution. Comparative systems are easy to explain and the resulting data are easy to interpret, which facilitates administrative decisions. Simple rank order--employees are ranked from best performer to worst performer. b. Alternation rank order--in an alternation rank order procedure, the supervisor initially lists all students. Then, the supervisor selects the best performer, then the worst performer, then the second best, then the second worst, and so forth. Alternation rank order, in an alternation rank order procedure, the supervisor initially lists all students. Then, the supervisor selects the best performer, then the worst performer, then the second best, then the second worst, and so forth, alternating from the top to the bottom of the list until all students have been ranked. Paired comparisons, explicit comparisons are made between all pairs of students to be evaluated. The number of pairs of students to be compared is computed by the following equation. The first step will be to collect information about the job and identify areas of the job where the employee is responsible for producing results and their relative degree of importance; e.g., percent of time spent performing the accountability, consequences of inadequate performance, and consequences of error. A plus side of using a comparative system is that it does make it a level playing field across the board, and ensures that everyone is treated fairly. The disadvantage in my opinion could be that there are too many variables that can drastically change someones performance rating.
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