PRELIMINARY VALIDITY REPORT OF THE MOS EVALUATION TEST FOR TRACK VEHICLE MECHANIC, MOS CODE 63C20,
ARMY ENLISTED EVALUATION CENTER INDIANAPOLIS IND
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The present preliminary report furnished pertinent validity data for the MOS evaluation test for Track Vehicle Mechanic, MOS Code 63C20, which was administered in the November 1966 evaluation period. Statistical bases were provided to allow control, in test revision, over the evaluation test characteristics of mean, standard deviation, reliability, and validity. The evaluation test characteristic of validity was given special attention. Increasing the validity of an evaluation test was considered at both the item and the test outline levels. The statistical rationale and data necessary for this purpose were provided for the use of research psychologists in the test development branch of the US Army Enlisted Evaluation Center. The users of the information and data in the present report should 1 have a thorough working knowledge of the relationships between item and test statistics to enable more control in test revision over evaluation test means, standard deviations, reliabilities, and validities 2 insofar as it is practicable, include items of substantial validity in revised tests 3 study items of substantial validity to determine the particular types of items which tend to be most valid for a given evaluation test and 4 if outline revision is deemed appropriate, make such revisions in view of known relationships between BSMAs.
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