Research for Military Occupational Specialty

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MC 2M/ATE MOS Study: Final Report
September 1, 1999
This briefing summarizes the findings and conclusions resulting from the CNA Marine Corps Microminiature/Automatic Test Equipment Military Occupational Specialty Code (2M/ATE MOS) study. The purpose of the study was to analyze a number of alternative Circuit Card Assemblies (CCA) repair strategies for MC ground systems. The alternatives considered ranged from evacuating all CCA functions to repairing them all. We also considered varying the repairer workforce composition and repair location. We found that the current repair practices, assuming that the MC assigns the number of repairer man-years we estimate are needed, saves about $75 million a year over what it would cost of evacuate and replenish failed CCAs. More money could be saved if all CCAs were repaired at a central location (Electronic Maintenance Companies). The report also finds that 2M workload does not appear to warrant a primary MOS.
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Tradition, Technology and the Changing Roles of Women in the Navy
November 1, 1993
The attitudes of the population at large and the expectations of young men and women about appropriate gender roles have undergone a major transformation over the past three decades. Reflecting this transformation, public opinion about the propriety of women serving in the armed forces has also shifted over time. In this paper, we review traditions that have fostered the exclusion of women from military service and explore how technological change and the nature of modern warfare will affect that tradition of exclusion. We consider some of the advantages and disadvantage of enlarging the proportion of women in the Navy. We also consider the implications of these changes on the traditional division of labor in the society at large.
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The Marine Corps Job Performance Measurement (JPM) Project: A Bibliography
June 1, 1993
This information memorandum is a bibliography of all formal research conducted by the Center for Naval Analyses for the Marine Corps Job Performance Measurement (JPM) project. The initial reason for the JPM project concerned the Armed Services Vocational Aptitude Battery (ASVAB), which is the test used to select and classify enlisted personnel into the four armed services. The Marine Corps JPM project was a major effort to measure on-the-job performance of enlisted Marines. Active duty Marine Corps job experts on both the East and West Coasts -- at Camp Pendleton, Camp Lejeune, Marine Corps Air Station Cherry Point, and Marine Corps Air Station Tustin -- provided essential guidance and consultation in all phases of the JPM project.
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Effects of Sea Duty and Advancement on First-Term Retention
June 1, 1993
As the Navy shrinks, it is likely that the ratio of sea duty to shore duty will rise and advancement opportunities will fall for enlisted personnel. This research memorandum investigates the relationships of sea duty, advancement, and reenlistment at the end of the first term. We explore these relationships with a variety of statistical models while controlling for economic variables, personal characteristics, fiscal year, and rating group. With regard to sea duty, we support the evidence found in other studies: sea duty has a negative but small effect on retention for first-term sailors. For advancement, we are unable to separate an advancement effect independent of such variables as pay and ability. We do not conclude that advancement does not effect retention -- rather that pay and ability, which are closely linked to advancement, capture the main impact of advancement on retention.
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Relationship Between ASVAB and Mechanical Maintenance Job Performance
March 1, 1993
The Marine Corps Job Performance Measurement (JPM) project was a long term research effort to develop objective measures of job performance and to relate these measures to the aptitude test used for military selection. The second phase of the project focused on mechanical maintenance specialties: automotive and helicopter mechanics. This research memorandum documents the ability of scores from the Armed Services Vocational Aptitude Battery (ASVAB) to predict several measures of mechanical maintenance performance: hands-on performance tests, job knowledge tests, initial skill training course grades, and supervisor ratings. We examined tradeoffs between aptitude and job experience in predicting job performance. We also derived aptitude standards for these mechanical maintenance specialties based on the hands-on performance criterion. The Marine Corps JPM project succeeded in developing reliable, objective, and representative measures of mechanical maintenance job performance. The results from the project provide the Marine Corps with convincing empirical evidence that demonstrates the strong link between performance on the ASVAB and future performance in selected mechanical maintenance jobs.
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Surrogates for Mechanical Maintenance Job Performance
March 1, 1993
In times of budgetary constraint, the Marine Corps must assess its need for high aptitude enlisted recruits. Ideally, hands-on performance tests would provide the benchmark measure of job performance against which the Marine Corps could assess its enlistment aptitude standards and the proficiency of its personnel. However, hands-on performance tests are too expensive to use for ongoing monitoring of aptitude standards and evaluation of training needs. Surrogate measures, such as job knowledge test, might provide performance benchmarks at a fraction of the cost of hands-on tests. This paper assesses the usefulness of several surrogate job performance measures for evaluating enlistment aptitude standard and determining USMC training needs.
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Factor Structure and Incremental Validity of the Enhanced Computer-Administered Tests
July 1, 1992
The Armed Services Vocational Aptitude Battery (ASVAB), used to select and classify enlisted personnel, is highly correlated to math and verbal content areas. New computerized predictor tests that are sensitive to traits not measured by the current ASVAB subtests may be able to improve predictive validity. This research memorandum investigates the potential of one such group of tests, the Enhanced Computer-Administered Tests, to predict performance in the mechanical maintenance specialties.
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Sensitivity and Fairness of the Marine Corps Mechanical Maintenance Composite
June 1, 1992
A score used for selection or classification should predict the performance of different population subgroups equally well. This research memorandum analyzes the prediction of hands-on performance in the automotive mechanic occupational specialty using the Marine Corps' Mechanical Maintenance composite.
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Development and Scoring of Hands-on Performance Tests for Mechanical Maintenance Specialties
March 1, 1992
This memorandum reports the procedures used for the development and scoring of hands-on performance tests for the mechanical maintenance phase of the Job Performance Measurement project.
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Reliability of Mechanical Maintenance Performance Measures
February 1, 1992
A fundamental requirement in the development and administration of performance measures is that such assessments should result in reliable scores that accurately indicate a person's level of proficiency. This research memorandum examines the reliability of two performance measures of mechanical maintenance developed for the Marine Corps Job Performance Measurement project: hands-on performance tests and job knowledge tests. Multiple estimates of reliability were computed, and the consistency of test administrators in scoring hands-on performance was specifically examined.
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