Research for Personnel Classification Tests

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June 1, 1985
Correlation coefficients based on samples from occupational specialties that differ in qualification standards cannot be compared. The sample coefficients need to be put on the same metric by correcting them to a common reference population. The purpose of this analysis is to evaluate the effects of truncating the reference population on the correlation coefficients and on the inter-correlation of performance measures. Population wide estimates were computed in the full population and in the truncated population with the bottom 10 percent deleted.
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February 1, 1985
The Armed Services Vocational Aptitude Battery (ASVAB) was validated against training grades in 34 Marine Corps occupational specialties. Four aptitude composites for assigning Marine recruits to occupational specialties were developed and evaluated. The high predictive validity of the ASVAB supports its continued use for selecting recruits and assigning them to occupational specialties. The fairness of the aptitude composites as predictors of performance was evaluated for racial/ethnic minorities and females.
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May 1, 1984
The the feasibility of validating ASVAB enlistment standards against job performance is evaluated. Hands-on and written proficiency tests were developed for three Marine Corps skills--Ground Radio Repair, Automotive Mechanic, and Infantry Rifleman--for use as measures of job performance. In addition, grades in skill training courses were also evaluated as possible measures of job performance. The ASVAB was shown to be a valid predictor of job performance. All three measures--hands-on tests, written tests, and training grades--were generally consistent measures of performance. A preliminary set of ASVAB qualification standards for assigning recruits to these three skills was computed using the hands-on and written tests as the criterion measure. The ASVAB standards derived from this analysis are similiar to the standards based on the traditional criterion measure of training-course grades. We conclude that validating ASVAB enlistment standards against job performance appears to be feasible. Although job performance tests can be used for this purpose, they are costly to develop and administer. Training grades, which are routinely available, may serve as a satisfactory and economical proxy for them in many skills.
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September 1, 1983
The Marine Corps uses several tests as primary selection screens for officers. This report validates two of these tests, the SAT and Electrical Composite of the ASVAB against Officer Candidate School and The Basic School performance measures.
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May 1, 1983
Addresses the concerns of personnel managers about the accuracy of the ASVAB score scale. The report attempts to determine the causes of the error in the scale and to verify that the corrections to the scale did in fact restore the traditional meaning of the ASVAB scores.
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February 1, 1983
This paper addresses concerns about manning the active force with volunteers. These concerns include supply, quality and cost of manpower.
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January 1, 1982
This report examines the validity of the Armed Services Vocational Aptitude Battery (ASVAB) forms 6 and 7. Validity in this analysis is the correlation between ASVAB test scores and subsequent performance in military training courses. Recruits are assigned to specific military training based, in part, on their scores on subgroups of tests (aptitude composites) contained in the ASVAB. We determined the most appropriate aptitude composite, and minimum acceptable score on that composite, for assignment to each training course. ASVAB forms 6 and 7 (the source of test score data for this analyses) are compared with the recently introduced ASVAB forms 8, 9, and 10. Based on this comparison we consider the results of our validity analyses of ASVAB forms 6 and 7 to be applicable for recruit assignment using ASVAB forms 8, 9, and 10.
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September 1, 1981
All branches of the Armed Services use the Armed Services Vocational Aptitude Battery (ASVAB) to measure the mental aptitudes of prospective recruits. New forms of ASVAB are introduced periodically. Before new forms are introduced they must be normalized (i.e., the proper relationship must be established between the number of questions answered correctly and a standard score scale). This process ensures that a certain score on the new forms represents the same ability level as that same score on previous forms of the test. This report documents our analysis of the normalization of ASVAB forms 8, 9, and 10.
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June 1, 1981
This paper examines alternative enlistment standards to increase the supply of recruits while maintaining current retention standards. The use of additional ASVAB tests, changes in waiver policy, equivalency diploma quality measures, and separate SCREENS for A school and apprenticeship trainees are studied as possible policies to increase recruit supply.
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January 1, 1981
This study checks the normalization of the Armed Services Vocational Aptitude Battery (ASVAB) forms 6 and 7 and normalized the ASVAB forms 6E and 7E. The ASVAB measures the mental aptitude of prospective recruits. Since ASVAB 6 and 7 were first used (January 1976) questions about the correctness of the normalization have been raised. We checked the normalization of ASVAB 6 and 7 and developed the normalization of 6E and 7E using a reference test--AFQT 7. In this effort we used a large sample of Marine Corps recruits. We found that the current normalization of ASVAB 6 and 7 is too easy; it overstates the mental ability of low aptitude recruits by 15 to 17 percentiles.
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