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991.
This study is based on the reports of 384 adults who were abused physically, sexually, and/or emotionally in childhood by family members. It describes the survivors' attempts, as children, to get help by disclosing the abuse to someone who might intervene; those who did not disclose explain their reasons. The results indicate that disclosure usually did not bring an end to the abuse, and that little action was taken to control the perpetrator, even after disclosure took place. The responses received by the children to their disclosure are linked to their levels of self-esteem and family functioning as adults. 相似文献
992.
993.
Kenneth G. Brown 《Risk analysis》1985,5(3):171-180
Experimental data from the Chemical Industry Institute of Toxicology (CIIT) are used to estimate the risk of squamous cell carcinoma of the nasal cavity in Fischer 344 (F344) rats over a range of ambient air concentrations of formaldehyde that includes current exposure guidelines for the workplace and home. These values are presented as a best estimate envelope obtained from five mathematical dose-response formulation. The response of Sprague-Dawley (SD) rats dosed at 15 ppm in a separate study at New York University is consistent with the predicted lifetime response for F344 rats at a slightly lower concentration (13-14 ppm). A dose-related mortality effect beyond what is attributable to the occurrence of nasal carcinomas is found in F344 rats at all CIIT exposure levels (2, 6, and 15 ppm). There is no evidence of a mortality effect in B6C3F1 mice of the CIIT study, and data for SD rats of the NYU experiment are inconclusive. In the CIIT study, rats exposed to 15 ppm exhibited a high incidence of nasal cavity squamous cell carcinomas and polypoid adenomas. Polypoid adenomas were also observed with increased incidences at 2 ppm and 6 ppm. Statistical comparisons with matched controls, and the low historical rate of spontaneous occurrence both suggest that polypoid adenomas may be a risk to F344 rats at exposure levels below the current Occupational Safety and Health Administration (OSHA) standard of 3 ppm. Squamous cell carcinomas were observed in two mice exposed to 15 ppm. This finding may be biologically significant since this tumor is rare and has not been previously reported in 4932 untreated B6C3F1 mice from recent National Toxicology Program (NTP) feeding studies. 相似文献
994.
995.
Graduate students simulated school board members making decisions about educational programs. Situation contexts within the program evaluation reports were varied by conflict (high, low), quality (high, low), and time (long, short). Analyses of Variance (ANOVA) of the qualitative measures m the 2 × 2 × 2 factorial design indicated significant results at the .01 level. The quality of decisions affect support for program continuation. Interactions of conflict and quality affected need for more information and more time in decision making. A conflict and time interaction affected preference to talk to other board members. Changes in situational contexts affected information need and use in small, decision making groups. 相似文献
996.
Becky Brown 《Journal of Sociolinguistics》2003,7(1):3-23
The nature of lexical and structural borrowing has been at the forefront of sociolinguistic debates for many years. This study analyzes bilingual lexemes and morphemes of English–origin loanwords from a Louisiana corpus of twenty–two French/English speakers. French Louisiana, however, has been undergoing language shift from French to English for three generations and, as a consequence, language dominance is in a parallel state of shift. This competing dominance produces borrowings characterized by a range of phonological integration coupled with bound morphemes from both languages. These data suggest that examining borrowing beyond the word level reveals a highly complex interplay of often competing and overlapping grammars. 相似文献
997.
Brown David L. Cromartie John B. Kulcsar Laszlo J. 《Population research and policy review》2004,23(4):399-418
With the official designation of micropolitan areas in June 2003, as part of the new core-based statistical area system, non-metropolitan territory is no longer an undifferentiated residual. In this paper we compare the demographic and socioeconomic characteristics of a preliminary set of micropolitan areas with more highly urbanized territory and with territory outside core-based statistical areas, to answer questions about the micropolitan category's conceptual validity. Demographic and economic data are used, along with a mail survey of county officials in a random sample of small metropolitan, micropolitan, and non-core-based statistical areas (non-CBSAs). The analysis shows substantial differentiation between micropolitan and non-CBSA areas, and demonstrates the importance of distinguishing between these two types of non-metropolitan areas. As an intermediate category, micropolitan areas provide stability to the decade-to-decade swings in non-metropolitan population change during periods of higher out-migration, but share almost equally with non-CBSA areas in attracting migrants during periods of high non-metropolitan in-migration. In terms of services available and their function as urban centers, micropolitan areas are intermediate between small metropolitan and non-CBSA areas, but more similar to small metropolitan areas. 相似文献
998.
999.
1000.
There were few differences between developmentally disabled foster children and those who were adopted. The foster children as a group were slightly older and more likely to have intact biological families who continued to maintain contact with them. More differences were found in the agencies' structures and practices. The major problem areas identified during the site visits appeared to be within the child welfare system itself, specifically at the interface between foster care and adoption. Bridging mechanisms were needed between units to temper the differences in perception, values, role expectations, and decision-making criteria used by the specialized staffs. When bridging mechanisms were in place, specialization of function was related to increased effectiveness in placing developmentally disabled children for adoption. 相似文献