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61.
FENWICK IAN; WISEMAN FREDERICK; BECKER JOHN F.; HEIMAN JAMES R. 《Public opinion quarterly》1982,46(3):383-391
The treatment of "don't know", "no opinion," or other nsonsubstantiveresponses is a problem in many consumer research surveys. Thispaper looks at the problem in the context of 1980 presidentialelection opinion polls. During the campaign, a relatively largeproportion of those interviewed said that they were undecidedas to whom they planned to vote for. Discriminant analysis isused to allocate undecided voters to candidates. The methodis validated by a postelection follow-up survey. 相似文献
62.
JONELL KERKHOFF THOMAS W. EAGAR JAMES UTTERBACK 《Production and Operations Management》1998,7(1):67-85
A manufacturing optimization strategy is developed and demonstrated, which combines an asset utilization model and a process optimization framework with multivariate statistical analysis in a systematic manner to focus and drive process improvement activities. Although this manufacturing strategy is broadly applicable, the approach is discussed with respect to a polymer sheet manufacturing operation. The asset utilization (AU) model demonstrates that efficient equipment utilization can be monitored quantitatively and improvement opportunities identified so that the greatest benefit to the operation can be obtained. The process optimization framework, comprised of three parallel activities and a designed experiment, establishes the process-product relationship. The overall strategy of predictive model development provided from the parallel activities comprising the optimization framework is to synthesize a model based on existing data, both qualitative and quantitative, using canonical discriminant analysis, to identify main effect variables affecting the principal efficiency constraints identified using AU, operator knowledge and order-of-magni-tude calculations are then employed to refine this model using designed experiments, where appropriate, to facilitate the development of a quantitative, proactive optimization strategy for eliminating the constraints. Most importantly, this overall strategy plays a significant role in demonstrating, and facilitating employee acceptance, that the manufacturing operation has evolved from an experienced-based process to one based on quantifiable science. 相似文献
63.
We describe a “learn-by-doing” approach that involves the following three phases designed in part to integrate management and engineering curricula and instill a continuous learning philosophy: (1) involve cross-functional teams as “process and business owners” in a replica of a real-life manufacturing/design problem (Do), (2) require teams to not only learn by doing but to then apply or implement what they have learned in phase 1 (Apply), and (3) share best practices and knowledge gained with subsequent participants (Document). These last two phases are essential and potentially the most valuable but are often ignored in the learning process. They can be accomplished either manually or through the use of an electronic bookshelf (e.g., company or school intranet), which is a database system used to collect and store templates of best practices, collective wisdom, and related information associated with learning and operational activities. We describe two of several educational packages we have developed and discuss their impact on our teaching, our students, and practitioners. 相似文献
64.
ERIC P. JACK PAUL R. STEPHENS JAMES R. EVANS 《Production and Operations Management》2001,10(4):363-382
Since 1980, practitioner interest in the field of quality management (qm) has grown significantly, resulting in academic researchers embracing QM as a legitimate discipline of study. One approach to evaluating the intellectual health of a discipline is an examination of doctoral dissertation research. This work both complements and extends other published reviews of the quality management discipline by analyzing doctoral dissertation research since 1981, categorizing this research, examining shifts in major research themes, evaluating data collection and analysis methodologies, and discussing general trends in this research area. Our findings suggest that the challenges in QM have become more interdisciplinary and integrated, and reveal an encouraging trend toward more rigorous research methodologies and the increased use of theories from other disciplines, leading to a more mature body of research in this field. 相似文献
65.
MONETARY REWARDS AND DECISION COST IN EXPERIMENTAL ECONOMICS 总被引:6,自引:0,他引:6
A survey of thirty-one experimental studies which report data on the comparative effects of monetary rewards and opportunity cost shows: (1) several studies in which increased rewards shift the central tendency of the data toward the predictions of rational models; (2) in virtually all cases rewards reduce the variance of the data around the predicted outcome. This is consistent with a model in which rewards are balanced against decision cost in agent behavior and explicates the argument that when rational models fail it can be attributed to low opportunity cost of deviations from the rational prediction. 相似文献
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Agenda Setting for the Civil Rights Issue 总被引:1,自引:0,他引:1
A comparison of front-page New York Times content and nationalpublic opinion from 1954 to 1976 showed strong agenda-settingeffects for the civil rights issue. For this issue, the optimaleffect span was the four- to six-week period immediately priorto field work. These findings contradict previous findings andassertions about a cumulative media effect over a longer periodof time. 相似文献
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