Procedures in employment psychology

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Monograph

Identifikator:: 173623112X

URN:: urn:nbn:de:zbw-retromon-112923

Document type:: Monograph

Author:: Bingham, Walter Van Dyke http://d-nb.info/gnd/123042593; Freyd, Max

Title:: Procedures in employment psychology

Place of publication:: Chicago & New York

Publisher:: Shaw

Year of publication:: 1926

Scope:: XI, 269 S

Digitisation:: 2020

Collection:: Economics Books

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Document type:: Monograph

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Title:: IV. Choice of workers to be studied

Collection:: Economics Books

CHOICE OF WORKERS TO BE STUDIED 53 Motor defects. Organic or functional motor disturbances, such as tics, should receive the same attention as sensory disturbances. If occasionally a successful employee is found who suffers from such disturbances, he should be recognized as an exception to the general rule of health among the employees. If the subjects of the experiment are to be representative of the great number, such an excep- tional individual may safely be ignored. Literacy. Needless to say, if the tests require a language response, no one who is illiterate should be chosen as a subject. Practical literacy means more than ability to write one’s name. It means command of the English lan- guage roughly equivalent to the completion of five years in the public schools. Where many of the workers are for- eigners or otherwise not sufficiently familiar with written English, the investigator must either exclude them from among his subjects by a preliminary test of reading ability, or else make special adaptations of any test forms or direc- tions which call for reading or for verbal written response. The latter procedure is necessary in many American fac- tories, where a large fraction of the competent employees are apt to be unfamiliar with written English. While differences in literacy, motor defects, age, and sex have been emphasized, the investigator will be alert for other variables, such as extremes of health or education. The point cannot be stressed too much that if these gross disturbing variables have an influence on test performance they should be nullified by elimination. If this step is impossible, then the method of partial correlation may be employed to make the required correction; but it must be borne in mind that the necessity for the use of partial cor- relation in making corrections is often an indication of a poorly planned experiment. Use is sometimes made of multiple and partial correlation to obtain the best combina- tion of scores; but this, however, is a different matter from the elimination of gross variables. Multiple and partial correlation will be explained in Chapter XVII. rT, ¥

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