A common model divides an 80% to 120% range into five performance zones:
| Range |
Range Name |
Range Brief Description |
| 80-87% |
Marginal |
Marginal performers: those relatively new to the job. |
| 88-95% |
Adequate |
Those performing the job adequately, but not yet fully competent in all aspects of the position. |
| 96-103% |
Competent |
Satisfactory performance of all aspects of the job's requirements. |
| 104-111% |
Superior |
Performance noticeably better than required. |
| 112-120% |
Distinguished |
Performance of such standard that it is openly and broadly acknowledged, both inside and outside the organisation. |
The organisation's appraisal system assigns the incumbent's performance to a position in one of these zones. This position, expressed as a percentage in the range 80% to 120%, becomes the position of the incumbent's salary level in the salary range for the job.
For example, if the midpoint of the salary range for a job is $50,000, and the performance of the person in the job is assessed as 90% Adequate, then the fair and equitable salary level for the incumbent should be 90% of $50,000, which equals $45,000.
The percentage value of this performance appraisal assessment becomes the compa-ratio to be used in calculations for the salary review.
We are now in a position to carry out calculations that take into account both the revised compa-ratios based on performance appraisal, in conjunction with a realignment of the organisation's salary policy line.
Assume that a performance appraisal has taken place and that new compa-rations have been determined for all six employees in our sample company. Assume the results are as shown in Table 5.
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