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91.
92.
Unprecedented population growth and migration accompanied equally unprecedented land use and land cover change in Latin America during the latter decades of the twentieth century. Country-level data are examined with bivariate statistics to determine relationships between changes in population patterns and land use (agriculture and forest cover) from 1961 to 2001. In South America, large forest areas were eliminated during the period, while exceptionally high rates of forest clearing were ubiquitous in the Central America/Caribbean region. These environmental changes accompanied dissimilar initial population densities and different effects of population change on agriculture. While interacting with a host of political, socio-economic, and geographic processes, it appears that both Malthusian and Boserupian demographic processes were important drivers of deforestation. Given continued, though slowing, population growth, increased urban consumption, and future land use constraints, policy makers face myriad challenges in advancing sustainable agriculture-population dynamics in Latin America.  相似文献   
93.
Using the 1996 Indiana Quality of Employment Survey, we reexamine gender and class differences in the effects of domestic work and family characteristics on earnings. We expand upon Coverman's (1983) original model by including several new measures. We find that the gender gap in domestic work has narrowed considerably, not because men are doing more but because women are doing less than they were twenty years ago. Women's earnings suffer more than men's from time spent on domestic work and generally benefit more from partners' domestic help. Women's earnings are more advantaged than men's by having preschool children, and men's earnings are more advantaged when their partner works. We find significant class differences in the effects of domestic work between working-class and non-working class women and in the effects of family characteristics between working-class and non-working class men. Non-working class women's earnings suffer more from time they put into domestic work, but their earnings generally benefit more from partners' or outside domestic help. Working-class men's earnings are more advantaged by having school-age children and more disadvantaged by having progressive gender ideologies. Non-working class men's earnings benefit more when their partners hold a job but suffer more as their partners work more hours.  相似文献   
94.
There is reason to believe that many health and stress interventions fail due to inattention to the effects of intervention implementation processes, but evaluations of these processes are found only rarely in the literature. The objective of the present study was to explore the issue of obstacles to implementation that may occur when stress and health interventions are introduced in work organizations. The study was conducted as a process evaluation of seven different individual and organizational interventions. Interviews were conducted in 22 post offices, 12 organizational units (such as care homes and local administrative units) of a Norwegian municipality, and in 10 shops in a shopping mall. The interviews took place before and after the interventions. The following key process factors were identified: (1) the ability to learn from failure and to motivate participants; (2) multi-level participation and negotiation, and differences in organizational perception; (3) insight into tacit and informal organizational behaviour; (4) clarification of roles and responsibilities, especially the role of middle management; and (5) competing projects and reorganization. For improved studies of interventions in the future we recommend that qualitative and quantitative methods be combined, that researchers build more on natural interventions that occur naturally within the organization, and that a pilot study be undertaken in order to investigate the cultural maturity of the organization.  相似文献   
95.
African American students are disciplined at rates that are disproportionately higher than Black students’ statistical representation in public schools. Coined as the discipline gap, racial and ethnic disparities are present in virtually every major school system across the United States. Because African American students seldom share the cultural frameworks of their teachers, the overrepresentation of Black students on measures of school discipline may, in part, be a function of cultural mismatches in the classroom. This article contains a synopsis of what is currently known about the discipline gap, and sets forth suggestions to address the issue. Recommendations focus on the roles of culturally responsive discipline, teacher recruitment and cultural immersion experiences. Irvine’s construct of cultural synchronization serves as the article’s interpretive basis.  相似文献   
96.
Although adolescents in poor urban areas often assume independent, adult‐like roles, relatively little is known about the relationship between these roles and other adolescent behaviors. This research examines the association between independent roles occurring within different contexts (e.g. family, peer, work) and aggressive behavior among 516 low‐income, urban middle school students. Overall, adolescent employment is related to increases in aggressive behavior. However, associations that familial and peer independent roles have with aggression differ by the extent of youth involvement in paid work. Greater engagement in familial independent roles is associated with decreased aggression among employed adolescents, but with increased aggression among unemployed youth. Also, peer independent roles are related to significantly greater increases in aggression among unemployed, compared with employed, adolescents.  相似文献   
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98.
This study examined the relationship between alliance and retention in family therapy. Alliance was examined at the individual (parent, adolescent) and family level (within-family differences) for families that either dropped out or completed family therapy. Participants were 31 Hispanic adolescents and their family members who received brief strategic family therapy for the treatment of adolescent drug use. Videotapes of first sessions were rated to identify parent and adolescent alliances with the therapist. Results demonstrated that Completer cases had significantly higher levels of alliance across all family members than Dropout cases, and Dropout cases had significantly higher unbalanced alliances than Completer cases. Clinical implications are discussed.  相似文献   
99.
Abstract Frames theory has been widely used to explain the dynamics of group processes and decision‐making. Some researchers have applied frames theory to policy adoption and implementation. Following from this, my research applies frames analysis to a regulatory program in coastal Louisiana. The data derive from a pre‐Hurricane Katrina study of the effectiveness of Louisiana's Coastal Resources Program in building coastal zone management (CZM) capacity among local decision‐makers. In this paper, I examine the potential influence of three independent variables (Local Coastal Program development, type of respondent, and frequency of coastal zone management interaction) on the level of agreement with regulator frame ideology. The frames analysis shows that parishes with Local Coastal Programs (LCPs) have a significantly stronger presence of regulator framing than do parishes without LCPs. Among the three types of decision‐makers (CZM administrators/staff, CZM advisory panel members and parish council or police jury) regulator frame agreement is particularly strong among advisory panel members, while agreement with regulator frames is lowest among parish council or police jury officials. Respondents reporting more CZM interaction exhibit higher levels of regulator frame agreement. OLS regression shows that the conditions of having an LCP, or being a panel member and having greater frequency of CZM interactions significantly increase the likelihood of regulator framing. These findings demonstrate the importance of the LCP process in the shaping of frames congruent with lead agency ideology.  相似文献   
100.
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