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Selected AbstractsState-of-the-art methodologies in alcohol-related health services researchADDICTION, Issue 11s3 2000Harold I. Perl Many of the failures to replicate clinical findings of treatment efficacy in more realistic field and community settings can be attributed to inappropriate research designs and other methodological shortcomings. In order to increase research designers' awareness of existing methodologies that may be better suited to answer the critical questions inherent in health services research on alcohol-related issues, the National Institute on Alcohol Abuse and Alcoholism (NIAAA) convened an expert conference with three specific goals: (1) to identify the critical issues involved in alcohol services research; (2) to develop a primer that explicated each key area; and (3) to compile the resulting primers into an accessible resource for researchers, policy makers and consumers. The 9 papers in this special supplement are the product of that conference and are organized broadly around three phases of the research process: study design and implementation, data collection and use, and the analysis and interpretation of data. A final summary paper discusses the issues and offers a synthesis of key themes as well as some direction for the future. [source] Nursing Home Capabilities and Decisions to Hospitalize: A Survey of Medical Directors and Directors of NursingJOURNAL OF AMERICAN GERIATRICS SOCIETY, Issue 3 2006Joan L. Buchanan PhD OBJECTIVES: To obtain information from decision makers about attitudes toward hospitalization and the factors that influence their decisions to hospitalize nursing home residents. DESIGN: Cross-sectional survey. SETTING: Four hundred forty-eight nursing homes, 76% of which were nonprofit, from 25 states. PARTICIPANTS: Medical directors and directors of nursing (DONs). MEASUREMENTS: Participants were surveyed about resource availability, determinants of hospitalization, causes of overhospitalization, and nursing home practice. RESULTS: The survey response rate was 81%, with at least one survey from 93% of the facilities. Medical directors and DONs agreed that resident preference was the most important determinant in the decision to hospitalize, followed by quality of life. Although both groups ranked on-site doctor/nurse practitioner evaluation within 4 hours as the least accessible resource, they did not rank doctors not being quickly available as an important cause of overhospitalization. Rather, medical directors perceived the lack of information and support to residents and families around end-of-life care and the lack of familiarity with residents by covering doctors as the most important causes of overhospitalization. DONs agreed but reversed the order. Medical directors and DONs expressed confidence in provider and staff ability, although DONs were significantly more positive. CONCLUSION: Medical directors and DONs agree about most factors that influence decisions to hospitalize nursing home residents. Patient-centered factors play the largest roles, and the most important causes of overhospitalization are potentially modifiable. [source] The Electronic Cultural Atlas InitiativePROCEEDINGS OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE & TECHNOLOGY (ELECTRONIC), Issue 1 2003Michael Buckland The Electronic Cultural Atlas Initiative (ECAI, ecai.org) is an international collaborative effort based administratively at Berkeley. Its mission is to improve education and scholarship through greater attention to time and place. Latitude, longitude, and time provide a useful basis for bringing together diverse network accessible resources that are related in time and place. [source] Measuring temporal variation in reproductive output reveals optimal resource allocation to reproduction in the northern grass lizard, Takydromus septentrionalisBIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY, Issue 2 2007XIANG JI We measured the reproductive output of Takydromus septentrionalis collected over 5 years between 1997 and 2005 to test the hypothesis that reproductive females should allocate an optimal fraction of accessible resources in a particular clutch and to individual eggs. Females laid 1,7 clutches per breeding season, with large females producing more, as well as larger clutches, than did small females. Clutch size, clutch mass, annual fecundity, and annual reproductive output were all positively related to female size (snout,vent length). Females switched from producing more, but smaller eggs in the first clutch to fewer, but larger eggs in the subsequent clutches. The mass-specific clutch mass was greater in the first clutch than in the subsequent clutches, but it did not differ among the subsequent clutches. Post-oviposition body mass, clutch size, and egg size showed differing degrees of annual variation, but clutch mass of either the first or the second clutch remained unchanged across the sampling years. The regression line describing the size,number trade-off was higher in the subsequent clutch than in the first clutch, but neither the line for first clutch, nor the line for the second clutch varied among years. Reproduction retarded growth more markedly in small females than in large ones. Our data show that: (1) trade-offs between size and number of eggs and between reproduction and growth (and thus, future reproduction) are evident in T. septentrionalis; (2) females allocate an optimal fraction of accessible resources in current reproduction and to individual eggs; and (3) seasonal shifts in reproductive output and egg size are determined ultimately by natural selection. © 2007 The Linnean Society of London, Biological Journal of the Linnean Society, 2007, 91, 315,324. [source] | ||||||||||