Research for Research Memoranda

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August 1, 1985
To make a drug-testing program successful and to minimize the cost of the program, the minimum number of tests that must be given in a specified period to identify a fixed percentage of drug users must be determined. This memorandum presents a Markov model that can be used to determine the number of tests that should be given. In addition, three applications of the model, showing how it can be used to analyze the drug-user population, are presented.
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August 1, 1985
The purpose of the Upper-Mental-Group (UMG) requirement in Navy recruiting is discussed. A FORTRAN model that simulates the recruiting process and calculates the optimum UGM requirement is described. Findings for FY86 are presented. Follow-up to type 27 850002.00
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August 1, 1985
Hands-on tests of job performance have intrinsic validity because of their high fidelity to job behavior. However, they are susceptible to poor content and measurement validity. The purpose of this analysis is to examine the content and measurement validity of prototype hands-on tests developed for three Marine Corps specialties - Ground Radio Repair, Automotive Mechanic, and Infantry Rifleman.
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July 1, 1985
Two inventory models are compared in this paper. The first model solves for the optimal purchase of all inventory items simultaneously. The second model solves for the optimal purchase of each inventory item considered one at a time, using a penalty parameter that is chosen to satisfy an availability goal. It is shown that the solutions of the two models are not equivalent. Moreover, the second model is too sensitive to changes in the relative demand rate but not sensitive enough to changes in relative holding costs. Supersedes 05 850765.10
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July 1, 1985
New estimates of the effect of unemployment on enlisted retention are provided in this paper. Unemployment is found to have a positive effect upon the reenlistment rate for seven of the nine rating groups studied, and a positive effect upon both the extension rate and the total retention rate for all nine rating groups. However, the pay elasticities are three to five times as large as the unemployment elasticities, so that decreases in the unemployment rate may be offset by much smaller percentage increases in military pay.
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July 1, 1985
The role of the Pacific theater in a NATO-Warsaw Pact War is considered. The paper argues that the Pacific theater has been neglected in such a conflict because most war scenarios envision a struggle lasting no more than 30 to 60 days. As a result, the conflict is over too quickly in most scenarios for the interrelationships between the NATO and Pacific theaters to develop conceptually. However, in a long-war scenario, the Pacific theater's importance in the course and outcome of such a conflict becomes apparent. The military, industrial, and technological potential of the Pacific nations, especially China and Japan, combined with the U.S., constitute a reserve of strength capable of containing or reversing any Soviet success in a conventional conflict in Europe. This paper concludes that (a) current strategy or doctrine based on the refusal to repudiate the 'first use' of nuclear weapons has lost much of its credibility as a deterrent, and (b) the tacit or explicit adoption of a long-war strategy to counter Soviet capabilities in a short war should be considered.
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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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May 1, 1985
The 'bible' of Soviet strategic thinking in the 1960s was the work edited by Marshal V.D. Sokolovskiy. Although the question of the work's obsolescence was raised in the 1970s, it was with the appearance of a recent book by Deputy Chief of the General Staff Gareev that the issue could be definitively settled. According to Gareev, Sokolovskiy is now out of date with respect to the specific features of modern war, and it is necessary to restore all the old strategic principles and categories that had been rejected or revised by Sokolovskiy.
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May 1, 1985
This paper analyzes the causes of the rise in the dependency rate for Marine Corps enlisted personnel since 1980. The effect of economic and demographic factors are examined statistically, and forecasts through 1988 are provided.
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February 1, 1985
The effect of pay on the retention of Marine Corps aviators is studied. The estimated pay effects are then used to evaluate the potential impact of three recent proposals to adjust the structure of Aviation Career Incentive Pay (ACIP).
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