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Any opinions expressed are those of the authors. IRP publications (discussion papers, special reports, and the newsletter Focus) are now available on the Internet. Abstract Dramatic reductions in welfare caseloads since passage of the Personal Responsibility and Work Opportunity Reconciliation Act of 1996 have not allayed policy concerns about the(More)
Any opinions, findings, conclusions, or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the view of the National Poverty Center or any sponsoring agency. Abstract In this paper, we document the continuing decline in employment and labor force participation of black men between the ages of 16 and 34 who(More)
To examine the relation between lactation and bone mineral density, we conducted a cross-sectional study among white, nonsmoking, perimenopausal women age 40-54. Three hundred fifty-two women completed a questionnaire covering medical and reproductive histories, physical activity, and diet. We measured the bone density of lumbar vertebrae 2-4 with dual(More)
OBJECTIVES This paper examines differences between joiners and nonjoiners of a voluntary smokers' registry. METHODS A baseline prevalence survey was used to identify characteristics of smokers who joined or did not join a smokers' registry. RESULTS Communities varied significantly in registry enrollment rates. Heavy-smoking joiners expressed more desire(More)
Highly luminescent semiconductor quantum dots have been synthesized in porous materials with ultraviolet and x-ray lithography. For this, the pore-filling solvent of silica hydrogels is exchanged with an aqueous solution of a group II metal ion together with a chalcogenide precursor such as 2-mercaptoethanol, thioacetamide or selenourea. The chalcogenide(More)
Executive Summary CS1315 Introduction to Media Computation is a new introduction to computation and programming contextualized around creation and manipulation of media. The explicit goal is to interest groups typically disinterested in such courses (especially women and non-CS majors). The course was offered as a pilot in Spring 2003 with 120 students(More)
the past 25 years, state policymakers, school districts, and community agencies have become more interested in providing supportive services for low-income children and families within (or near) schools (Powell, 1991). Schools appear to be ideal sites or hubs for these services because they are centrally located in neighborhoods and already have connections(More)