Employment psychology

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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

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Document type:: Monograph

Structure type:: Chapter

Title:: Part I. Psychological tests

Collection:: Economics Books

A FIRST EXPERIMENT 2 9 hole or any part of the brass plate, an electric contact was made which produced a click in a telephone receiver which the subject held to her ear. At the start of the test, the subject was instructed to put the brass pencil into each hole in succession until she heard a click in her ear, when she was to start all over again. The speed of the subject’s movements was controlled by a metronome set so as to allow thirty trials per minute. The experi menter also had a telephone receiver to enable him to follow the subject’s performance. The holes were num bered 1, 2, 3, etc., to 9. As soon as the subject failed to put the pointer squarely into a hole but touched the brass plate and produced a click, the experimenter recorded the number of the hole at which she had failed. This constituted one trial. Each girl was allowed fifteen such trials, and the numbers of the last ten were taken and averaged, the first five serving as preliminary practice. For instance, if a girl, in her first trial, reached the fourth hole and missed on the fifth, the number five was recorded; if she missed on the sixth, six was recorded, etc., until fifteen numbers had been taken. Then, the sum of the last ten trials divided by ten gave the average performance for the subject. The larger the average, the better the performance. This test occupied from two to three min utes. 8. A modification of the Whipple steadiness test. This consisted of two brass bars, about 12 inches long, set so as to form a long, horizontal V. The subject was asked to take the brass pointer and pass it along between these two bars. The farther she went, the narrower became the space between the brass bars. As soon as the brass pointer touched one of the bars it produced a click in the tele phone receiver. The point at which this brass pointer

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