Research for Regression Analysis

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April 1, 1986
Data is presented showing that results on high school ASVAB speeded subtests are inconsistent with results on nonspeeded subtests. Causes for the inconsistencies are explored, and corrective actions based on these findings are recommended.
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February 1, 1986
The value of aircraft simulators as measures of training readiness are studied. Simulator evaluations are analyzed for reserve enlisted crewmen on Navy patrol aircraft. Part-time reservists are found to have very little skill loss over time and perform as well as their full-time counterparts. Experience in the simulator produces substantial increases in subsequent evaluation scores. Simulated flights appear to be useful measures of readiness and valuable training experience.
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February 1, 1986
The research reported here examines overall training effectiveness for U.S. Naval personnel; the measure of effectiveness comes from the survey responses of the supervisors of first-term enlisted Naval personnel. These supervisors were asked about the productivity of 'typical' first-term personnel who were schooled in the classroom or trained on the job for 12 Navy occupational categories. Overall, these specialties characterize a broad cross-section of Navy jobs that vary considerably in technical complexity and formal school length. Comparisons are drawn between the two training methods. Finally, the usefulness of research on training effectivenes in other areas of military manpower research is discussed.
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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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January 1, 1985
This paper attempts to clarify the relationships among the following four hypotheses: (1) the number of material failures across intervals of calendar time containing equal accumulated flight hours follows a Poisson distribution; (2) the number of elapsed flight hours between successive independent material failures follows an expotential distribution; (3) the expected number of monthly material failures is exactly proportional to monthly flight hours; and (4) the observed number of monthly material failures is strongly correlated with monthly flight hours.
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January 1, 1985
This paper studies the value of aircraft simulators as measures of training readiness. Simulator evaluations are analyzed for reserve enlisted crewmen on Navy patrol aircraft. Part-time reservists are found to have very little skill loss over time and perform as well as their full-time counterparts. Experience in the simulator produces substantial increases in subsequent flights and appears to be a useful measures of readiness and a valuable training experience.
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July 1, 1984
Differences in earnings of males and females have been attributed to differences in personal characteristics, fields of specialization, and years of professional experience. This study focuses on scientists and engineers, seeking to determine the extent to which differences in measured characteristics explain differences in earnings. In addition to documenting gender differences in the earnings of new entrants and experienced personnel, the study investigates gender differences in the choice of college major and in the transition from school to work.
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July 1, 1984
The rate of productivity growth in the U.S. economy and the extent and effects of government regulation have been matters of great concern in recent years. This study is an empirical investigation of the effect of regulation on productivity in the auto and steel industries during the period 1958-1980. The first step in the study was to develop numerical measures of regulations. These measures were then employed in two empirical models. In the single-equation model, the level or rate of growth of productivity was estimated as a function of output, technology, regulation, and other variables. In the multiequation model, cost and input cost shares were jointly estimated as a function of input prices, output, technology, and regulation. The estimate effect of regulation on productivity varied, depending on the model and the measure of regulation used. For example, the multiequation model indicated a positive effect of regulation on productivity in the steel industry. For the auto industry, however, it indicated that regulation generally had the expected negative effect on productivity. Over the period 1973-1980, regulation was estimated to have lowered the annual rate of productivity growth in the auto industry by 0.55 to 2.00 percentage points, depending on the measures of output and regulation. For Additional Information See 02 052702 00.
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July 1, 1984
The rate of productivity growth in the U.S. economy and the extent and effects of government regulation have been matters of great concern in recent years. This study is an empirical investigation of the effect of regulation on productivity in the auto and steel industries during the period 1958-1980. The first step in the study was to develop numerical measures of regulation. These measures were then employed in two empirical models. In the single-equation model, the level or rate of growth of productivity was estimated as a function of output, technology, regulation, and other variables. In the multiequation model, cost and input cost shares were jointly estimated as a function of input prices, output, technology, and regulation. The estimated effect of regulation on productivity varied, depending on the model and the measure of regulation used. For example, the multiequation model indicated a positive effect of regulation on productivity in the steel industry. For the auto industry, however, it indicated that regulation generally had the expected negative effect on productivity. Over the period 1973-1980, regulation was estimated to have lowered the annual rate of productivity growth in the auto industry by 0.55 to 2.00 percentage points, depending on the measures of output and regulation. For Additional Information See 02 052701 00.
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May 1, 1984
Before government agencies can release confidential microdata with identification removed, they must be certain that the data cannot be linked to specific individuals or businesses. This paper looks at five ways of masking microdata: adding random error, multiplying by random error, grouping, random rounding, and data swapping. The five strategies were used to mask tax data on individual businesses. Each strategy was then evaluated on the basis of how well it protected confidentiality and maintained the value of the data for economic analysis.
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