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21.
John Bryant 《Journal of Population Research》1996,13(2):169-186
The fact that the majority of northern Vietnamese households are small and contain only two generations is often interpreted as evidence of the effects of socialism on the Vietnamese family. The observed pattern is, however, typical of a stem household system like that of northern Vietnam, and probably predates the Revolution. Virtually all discussions of northern Vietnamese households have concentrated on cross-sectional measures of household size and structure. Such measures must be combined with longitudinal measures and measures of size as experienced by household members to give a full picture of northern Vietnamese households. On all these measures southern Vietnamese households appear significantly different from northern Vietnamese households. 相似文献
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This study aimed to collect evidence on the structural and substantive validity, and test-retest reliability of the Chinese version of the Oswestry Disability Index (CODI). Seventy-nine patients suffering from chronic low back pain were assessed with the CODI. The results of explorative factor analysis primarily suggested a single-factor structure with nine out of 10 items (factor loading = 0.66-0.79). The sex life item was found to load on a different factor. The Cronbach's alpha of all 10 items was 0.81 (p<0.05). When the sex life item was removed from the analysis, the alpha value was increased to 0.89 (p<0.05). The test-retest reliability was estimated based on 56 participants who completed two administrations of CODI in 48 hours. The intraclass correlation coefficient (ICC) computed for the total CODI scores was 0.86 (95% C.I. = 0.81-0.91). The reliability estimated for the item scores using Kappa statistics ranged from a high of k=0.80 for the sitting item to a low of k=0.49 for the traveling item. Kappa statistics were not available for three items. The Chinese version of the Oswestry Disability Index demonstrated satisfactory validity and test-retest reliability, and so could be considered as an appropriate instrument for assessing chronic back pain-related disability in Chinese patients in Hong Kong. Further research should address the cross-cultural and measurement issues in regard to sex life in order to further improve the test content of the instrument. 相似文献
24.
An empirical study was undertaken in San Diego, California, to test assumptions made by the government and by conservative religious policy advocates that there is a greater incidence of crime in the vicinity of peep show establishments. We asked two questions: (a) Is criminal activity in San Diego particularly acute at peep show establishments compared to surrounding control locations? and (b) Is criminal activity in San Diego disproportionately greater at or near peep show establishments between the hours of 2 a.m. and 6 a.m. compared to other times of the day? The levels of crime activity and the expenditure of police resources were examined by measuring the number of calls-for-service (CFSs) to the police within a 1,000-ft. area on either side of the peep show establishments and comparably-sized control areas beyond the immediate 1,000-foot area. A more focused late-night (2 a.m. to 6 a.m.) analysis was also undertaken. The results showed no reliable evidence of differences in crime levels between the control and test areas, nor was there any evidence of disproportionately greater amounts of crime within the 2 a.m. to 6 a.m. time period in the areas surrounding the peep show establishments. We concluded that San Diego does not have a problem with crime at the peep show establishments generally, nor is there a heightened problem with crime during the 2 a.m. to 6 a.m. period. We discuss the implications of assuming that peep show establishments are associated with negative effects in the community and the possibility of viewpoint discrimination against sex communication. 相似文献
25.
Yo Sheena† 《Statistics》2013,47(5):387-399
We consider the orthogonally invariant estimation problem of the inverse of the scale matrix of Wishart distribution using Stein's loss (entropy loss). In this problem Krishnamoorthy and Gupta [2] proposed an estimator and showed its good performance in a Monte Carlo simulation. They conjectured their estimator is minimax. Perron [3] proved its minimaxity for p?=?2. In this paper we prove it for p?=?3 by using a new method. 相似文献
26.
In response to a steady decline in State funding, universities have become heavily involved in a variety of public private academic partnerships (PPAPs) in such areas as medical research, business incubation, technological commercialization, continuing professional education, and intercollegiate athletics. Despite this trend, research which examines if such partnerships actually enhance university funding is rare within the public organization literature. Given this, we focus on university intercollegiate athletics programs, which represent one of the largest PPAPs ever undertaken by universities, to examine whether PPAP success can potentially enhance university performance outcomes leading to increased funding levels. Such programs represent a PPAP because public, private, and academic entities all come together to form an organization (division 1 football at the bowl subdivision level) which seeks to benefit all three entities through sharing resources and responsibilities. Study results showed that athletic success positively influenced a variety of university performance outcome variables such as enrollments and endowments. While results indicate that PPAP success can enhance university funding, we also suggest modifications that should enhance the chances that PPAPs will be successful. 相似文献
27.
P. AdamsD.E. Bryant A.D. ForbesT.S. Griggs 《Journal of statistical planning and inference》2012,142(5):1040-1046
We prove that the complete graph Kv can be decomposed into dodecahedra if and only if v≡ 1, 16, 25 or 40 (mod 60), v≠16. 相似文献
28.
Creating the park cool island in an inner-city neighborhood: heat mitigation strategy for Phoenix, AZ 总被引:2,自引:0,他引:2
Juan Declet-Barreto Anthony J. Brazel Chris A. Martin Winston T. L. Chow Sharon L. Harlan 《Urban Ecosystems》2013,16(3):617-635
We conducted microclimate simulations in ENVI-Met 3.1 to evaluate the impact of vegetation in lowering temperatures during an extreme heat event in an urban core neighborhood park in Phoenix, Arizona. We predicted air and surface temperatures under two different vegetation regimes: existing conditions representative of Phoenix urban core neighborhoods, and a proposed scenario informed by principles of landscape design and architecture and Urban Heat Island mitigation strategies. We found significant potential air and surface temperature reductions between representative and proposed vegetation scenarios: 1) a Park Cool Island effect that extended to non-vegetated surfaces; 2) a net cooling of air underneath or around canopied vegetation ranging from 0.9 °C to 1.9 °C during the warmest time of the day; and 3) potential reductions in surface temperatures from 0.8 °C to 8.4 °C in areas underneath or around vegetation. 相似文献
29.
ABSTRACTThe research used qualitative methods to begin exploring how individual’s decision-making enhances their risk of having a marital affair. Particularly how does a woman give herself permission to move forward with having an affair? Semistructured interviews were recorded with women who had a marital affair and then transcribed in preparation for coding. The transcendental phenomenological model was used to analyze the data collected. Sensitizing concepts were used as a base in identifying how participants were able to limit their cognitive dissonance as a way of giving themselves permission to have an affair. The results found four methods of limiting cognitive dissonance: not being worthy of loyalty, rationalization, guilt-free infidelity, and compartmentalization. Clinical implications are discussed. 相似文献
30.