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1.
The maximum likelihood estimator (MLE) and the likelihood ratio test (LRT) will be considered for making inference about the
scale parameter of the exponential distribution in case of moving extreme ranked set sampling (MERSS). The MLE and LRT can
not be written in closed form. Therefore, a modification of the MLE using the technique suggested by Maharota and Nanda (Biometrika
61:601–606, 1974) will be considered and this modified estimator will be used to modify the LRT to get a test in closed form
for testing a simple hypothesis against one sided alternatives. The same idea will be used to modify the most powerful test
(MPT) for testing a simple hypothesis versus a simple hypothesis to get a test in closed form for testing a simple hypothesis
against one sided alternatives. Then it appears that the modified estimator is a good competitor of the MLE and the modified
tests are good competitors of the LRT using MERSS and simple random sampling (SRS). 相似文献
2.
Pinchoff Jessie Shamsudduha Mohammad Hossain Sharif Mohammed Ismail Shohag Abdullah Al Mahmud Warren Charlotte E. 《Population and environment》2019,41(2):235-251
Population and Environment - This analysis examines whether salinity in drinking water is associated with pre-eclampsia and eclampsia (PE/E), a leading cause of maternal morbidity and mortality.... 相似文献
3.
Piper D Stein-Seroussi A Flewelling R Orwin RG Buchanan R 《Evaluation and program planning》2012,35(1):66-77
Although the organizational structures and operating procedures of state substance abuse prevention systems vary substantially across states, there is scant empirical research regarding approaches for rigorous assessment of system attributes and which attributes are most conducive to overall effectiveness. As one component of the national cross-site evaluation of the SPF State Incentive Grant Program (SPF SIG), an instrument was developed to assess state substance abuse prevention system infrastructure in order to measure infrastructure change and examine the role of state infrastructure in achieving prevention-related outcomes. In this paper we describe the development of this instrument and summarize findings from its baseline administration. As expected, states and territories were found to vary substantially with respect seven key characteristics, or domains, of state prevention infrastructure. Across the six domains that were assessed using numeric ratings, states scored highest on data systems and lowest on strategic planning. Positive intercorrelations were observed among these domains, indicating that states with high capacity on one domain generally have relatively high capacity on other domains as well. The findings also suggest that state prevention infrastructure development is linked to both funding from state government and the presence of a state interagency coordinating body with decision-making authority. The methodology and baseline findings presented will be used to inform the ongoing national cross-site evaluation of the SPF SIG and may provide useful information to guide further research on state substance abuse prevention infrastructure. 相似文献
4.
Dinesh Seth VSR Krishna Nemani Shaligram Pokharel Abdulla Yaqoub Al Sayed 《生产规划与管理》2018,29(3):217-235
This research proposes a multi-criteria decision-making (MCDM) framework and demonstrates the impact of competitive conditions on supplier evaluation process for construction supply chains. The paper focuses on the supply chain of a large-scale housing project in order to illustrate the role of competitive capability and suppliers’ profile and its influence on supplier evaluation based on prevailing supply/market conditions. Various scenarios are investigated to demonstrate the impact of competition on supplier evaluation. The contribution of the study lies in highlighting the impact of supply/market conditions on MCDM decisions causing supplier evaluation ‘imbalance’ and MCDM usage. It is expected that the study will be useful for project management, construction, supply chain management, sourcing professionals. The findings of the study are generalisable to projects-based situations such as petroleum refinery and ship building where bill of materials typically consists of thousands of items and a large number of suppliers are involved. 相似文献
5.
加强党的执政能力建设是全党的共同任务。作为哲学社会科学专门研究机构,我们应该充分认识加强党的执政能力建设的重要性和紧迫性,组织科研人员研究有关党的执政能力建设的重大问题;要坚持围绕加强党的执政能力建设创新工作思路、探索新的方式,推出更多的精品成果;为此,加强党的执政能力建设,繁荣发展哲学社会科学需要营造良好的外部环境。 相似文献
6.
This is one in a series of papers that report on a programme of research focusing on the psychosocial consequences of Kuwaitis in the wake of the 1990 invasion and occupation by Iraq. The research team chose to focus on contentment as the obverse of trauma effects and develop a new measure that more closely represents Kuwait society due to cultural sensitivity. The paper briefly discusses the programme of research and the need for a new measure of Kuwaiti contentment. The Kuwaiti Raha Scale (KRS), was developed to serve as the primary dependent variable for a post-war national survey of mental health in Kuwait. The KRS emerged from a multi-method approach first administered to a convenience sample of 560 undergraduate university students enrolled in eight different classes. The results reported here note that no differences were found according to the variable of gender, as was expected. Four factors emerged, with Cronbach's Alphas ranging from 0.850 to 0.709 after eliminating three items. The total twenty-eight-item KRS measure yielded a Cronbach's Alpha of 0.906. Conclusions: The present findings suggest that the four subscales are a psychometrically sound measure of contentment, and would be useful in studies of Arabic-speaking cultures by social workers, and other investigators, concerned about culture-based well-being. Implications for European social professions are discussed. 相似文献
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8.
Following an innovative breast cancer awareness campaign in the United Arab Emirates, a dual language survey of 500 women and in-depth interviews were conducted. The study found television advertising to be the most optimal awareness communication method, particularly among Emirati and other Arab women respondents. The research also found strong support for a year-long awareness campaign. 相似文献
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