Employment psychology

Bibliographic data

Monograph

Identifikator:: 1028407564

URN:: urn:nbn:de:zbw-retromon-47263

Document type:: Monograph

Author:: Link, Henry Charles; Thorndike, Edward L. http://d-nb.info/gnd/118802127

Title:: Employment psychology

Place of publication:: New York

Publisher:: MacMillan

Year of publication:: 1924

Scope:: 1 Online-Ressource (XII, 440 Seiten)

Digitisation:: 2018

Collection:: Economics Books

Usage license:: Get license information via the feedback formular.

400 APPENDIX confusion, a method of rating which applies equally well to all tests was devised. This method starts by taking the perfect completion of a certain number of units in a certain time as a point of reference. For instance, in test number 2, sorting the 50 cards perfectly in 35 seconds is taken as the point of reference. Then, 35 sec onds divided by whatever time the individual takes will be the rating for the individual. For instance, an individual who does the test in 35 seconds will be rated 35 -5- 35 or 1.00. One who does it in 40 seconds will have 35 -f- 40 or .87. If anybody does it in 30 seconds the rating will be 35 -5- 30 or 1.20. This is higher than 1.00. However, by selecting as our reference time a record in the test which only the very best individuals can reach, the subsequent ratings will approach, but seldom pass 1.00. In many tests, however, every subject is allowed only a cer tain length of time. Therefore, since the time is always the same, it becomes necessary to divide the number of units com pleted by the number of units called for by the point of reference (RU). E. g., test 8, 120 seconds is the time. The point of reference is the completion of 70 numbers in that time. If only 60 are completed, the rating in the test is 60 -5- 70 or .86. If the 70 are completed, the rating is — or 1.00. 70 The next step is to compensate for mistakes. In tests like 8, where the time is always the same, it is only necessary to subtract the number of mistakes from the amount completed before dividing. E. g-> Therefore, whenever the time limit for a test is uniform, the rating formula is:

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