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31.
32.
M. Rauf Ahmad 《Journal of Statistical Computation and Simulation》2019,89(6):1044-1059
ABSTRACTMultiple comparisons for two or more mean vectors are considered when the dimension of the vectors may exceed the sample size, the design may be unbalanced, populations need not be normal, and the true covariance matrices may be unequal. Pairwise comparisons, including comparisons with a control, and their linear combinations are considered. Under fairly general conditions, the asymptotic multivariate distribution of the vector of test statistics is derived whose quantiles can be used in multiple testing. Simulations are used to show the accuracy of the tests. Real data applications are also demonstrated. 相似文献
33.
Ibrahim A. Ahmad & Ibrahim A. Alwasel 《Journal of the Royal Statistical Society. Series B, Statistical methodology》1999,61(3):681-689
In this investigation a test of goodness of fit for exponentiality is proposed. This procedure applies equally whether the scale and/or the location parameters of the distribution are known or not. The limiting null and non-null distributions of the test statistic are normal under minimal conditions. Monte Carlo critical values for small sample sizes are given and the power of the test is calculated for various alternatives showing that it compares favourably relatively to other more complicated published procedures. 相似文献
34.
Nadia Ayub PhD Shahid Iqbal PhD W. Kim Halford PhD Fons van de Vijver PhD 《Journal of marital and family therapy》2023,49(1):111-128
Relationship standards are beliefs about what is important in a satisfying couple relationship, which vary considerably between cultures, and might mean that what couples seek from couple therapy differs across cultures. We assessed the standards of n = 49 Pakistani couples and whether those standards predicted couple satisfaction. To provide referents for the Pakistani standards, we also assessed selfreported relationship standards in n = 33 Western couples and n = 30 Chinese couples. Pakistani couples endorsed couple bond standards (e.g., expressions of love) as similarly important, and family responsibility (e.g., extended family relations) standards as more important, than Western or Chinese couples. In Pakistani couples, Couple Bond predicted couples' relationship satisfaction, but family responsibility and Religion predicted only wives' satisfaction. Modest sample sizes necessitate caution in interpreting results but suggest existing couple therapies might need modification to address the distinctive relationship standards of Pakistani couples. 相似文献
35.
This article proposes a new mixed variable lot-size multiple dependent state sampling plan in which the attribute sampling plan can be used in the first stage and the variables multiple dependent state sampling plan based on the process capability index will be used in the second stage for the inspection of measurable quality characteristics. The proposed mixed plan is developed for both symmetric and asymmetric fraction non conforming. The optimal plan parameters can be determined by considering the satisfaction levels of the producer and the consumer simultaneously at an acceptable quality level and a limiting quality level, respectively. The performance of the proposed plan over the mixed single sampling plan based on Cpk and the mixed variable lot size plan based on Cpk with respect to the average sample number is also investigated. Tables are constructed for easy selection of plan parameters for both symmetric and asymmetric fraction non conforming and real world examples are also given for the illustration and practical implementation of the proposed mixed variable lot-size plan. 相似文献
36.
Transnational caregiving can be daunting, yet it often brings out the strengths of the caregiver that he or she may not have been aware of. Thus, it is a wonderful opportunity to know oneself and use those strengths to become better in other areas of life. Transnational caregiving is also a blessing, in that one can still continue to provide care for a loved one by surmounting the barriers of geographical distance. To transform what often is a challenging situation into a blessing, a fresh eye is needed to seek different ways of fulfilling the needs of the loved one by focusing on one thing: How can the caregiver, in his or her individual capacity, make a difference in the quality of life of the family member? This article, while relating personal experience in caring for a parent, traverses these issues. 相似文献
37.
Ijaz Iqbal M.H. TahirM.L. Aggarwal Asghar AliIftikhar Ahmed 《Journal of statistical planning and inference》2012,142(3):626-632
A generalized neighbor design relaxes the equality condition on the number of times two treatments as neighbors in the design. In this article, we have considered the construction of some classes of generalized neighbor designs with block size k=3 by using the method of cyclic shifts. The distinguishing feature of this construction method is that the properties of a design can easily be obtained from the sets of shifts instead of constructing the actual blocks of the design. A catalog of generalized neighbor designs with block size k=3 is compiled for v∈{5,6,…,18} treatments and for different replications. We provide the reader with a simpler method of construction, and in general the catalog that gives an open choice to the experimenter for selecting any class of neighbor designs. 相似文献
38.
Mehrunnisa Ahmad Ali 《Intercultural Education》2013,24(5):417-429
This study examined how Muslims living in the West were represented in English language textbooks in Ontario, Canada. The review showed that Muslims were consistently placed in inferior and dependent positions in relation to ‘white folks’ by focusing on their origins in violent and backward societies, their cultural deficits, social ineptitudes, conflicted identities, and low-status jobs. It is suggested that textbooks should encourage critical literacy by including a wider, more accurate range of depictions of Muslims in western societies to combat stereotyping. 相似文献
39.
Ahmed H. Al-Shahethi Rafdzah Ahmad Zaki Abdul Wahed A. Al-Serouri Awang Bulgiba 《Women and birth : journal of the Australian College of Midwives》2019,32(2):e204-e215
Background
Perinatal mortality remains a major international problem responsible for nearly six million stillbirths and neonatal deaths.Objectives
To estimate the perinatal mortality rate in Sana’a, Yemen and to identify risk factors for perinatal deaths.Methods
A community-based prospective cohort study was carried out between 2015 and 2016. Nine-hundred and eighty pregnant women were identified and followed up to 7 days following birth. A multi-stage cluster sampling was used to select participants from community households’, residing in the five districts of the Sana’a City, Yemen.Results
Total of 952 pregnant women were tracked up to 7 days after giving birth. The perinatal mortality rate, the stillbirth rate and the early neonatal mortality rate, were 89.3 per 1000, 46.2 per 1000 and 45.2 per 1000, respectively. In multivariable analysis older age (35+ years) of mothers at birth (Relative Risk = 2.83), teenage mothers’ age at first pregnancy (<18 years) (Relative Risk = 1.57), primipara mothers (Relative Risk = 1.90), multi-nuclear family (Relative Risk = 1.74), mud house (Relative Risk = 2.02), mothers who underwent female genital mutilation (Relative Risk = 2.92) and mothers who chewed khat (Relative Risk = 1.60) were factors associated with increased risk of perinatal death, whereas a positive mother’s tetanus vaccination status (Relative Risk = 0.49) were significant protective factors against perinatal deaths.Conclusion
Rates of perinatal mortality were higher in Sana’a City compared to perinatal mortality at the national level estimated by World Health Organization. It is imperative there be sustainable interventions in order to improve the country’s maternal and newborn health. 相似文献40.
Using "calendar" data for single women aged 15-24 from successive Demographic and Health Surveys (DHS) conducted in Colombia and Peru during the 1990s, we document trends, year by year, in sexual activity, the use of contraceptives, and subsequent reproductive outcomes. We provide evidence of the important and hitherto largely untapped potential of DHS calendar data to draw complete sexual and reproductive profiles when data from various surveys are integrated. Over the period 1985-1999, young single women in both Colombia and Peru became sexually active at younger ages. The use of contraceptives, especially the use of condoms, increased but did not fully offset the rise in sexual activity, and thus the incidence of premarital conceptions rose among young single women. In both countries, sharp declines occurred in the proportion of premaritally conceived births that were reported as being wanted. 相似文献