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51.
Pedro Gutiérrez Bueno wrote two editions of a chemistry textbook between 1788 and 1802. The paper offers a comparative view of both editions taking into account Gutiérrez Bueno’s biography, his intended audience and the changes related to the so-called chemical revolution. Some conclusions are at odds with common images about scientific revolutions and the role of textbooks in science. The analysis aims to shed some light on the multiple historical forces shaping textbooks and the way in which scientific change is assimilated by their writers. This research was partially supported by the program BHA2002-04611-CO3-02  相似文献   
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Catholic schools have become a popular choice for many low income families Latino/a families. Families enrollment in these schools are often faced with the mandate to participate. However, regardless of the mandate, some schools often experience low parental participation. The purpose of this study is to document the experiences of low income, Latino/a families around parental involvement in hopes of understanding the reasoning for participating (or not) in their child’s school. The researchers conclude that families do not participate for a number of reasons including lack of opportunities, and an unwelcoming environment. The implications for Latina/o urban education are discussed.  相似文献   
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Research Findings: Children’s ability to tell stories and to understand the stories of others typically emerges in early childhood, supported by primary caregivers and educators. This article reviews instruction designed to foster children’s narrative skills in preschool and kindergarten settings and examines the effects using meta-analysis. The review covers more than 3 decades (1980–2013) of experimental research (k = 15 studies, 28 effects). The findings showed that verbal scaffolding, alone or in combination with other strategies, was the predominant teaching approach. The meta-analysis revealed average effects (weighted for sample size) for narrative expression (.50) and a slightly larger effect for comprehension (.58). These effects were unrelated to the duration of instruction. However, when verbal strategies were combined with nonverbal ones, such as engaging children in enacting stories or in telling stories with props, the effects for expression increased (i.e., children’s storytelling improved more from pretest to posttest). Practice or Policy: The review indicates promising strategies for supporting narrative skills. Furthermore, the studies identified can serve as a resource for practitioners by suggesting diverse kinds of verbal scaffolds, complementary nonverbal approaches, and storybooks that have been used effectively to foster narrative competencies among young children.  相似文献   
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This study focused on students' observations of student and staff tutors' behavior during two academic courses, using a thirtynine-item rating scale. The study took place within an integrated problem-based law curriculum. Six major factors in tutors' behavior were identified. Differences between student and staff tutors' performance were investigated. The results showed that student tutors were better at understanding the nature of the problems students face in attempting to master the subject-matter. Student tutors were also more interested in students' daily lives, study experiences and personalities. In addition, student tutors referred to end-of-course examinations more frequently than staff tutors to direct student learning. Alternatively, staff tutors used their subject-matter expertise more often and displayed more authoritarian behavior than student tutors. No differences were found with respect to tutors' focus on cooperation among group members. The results are interpreted in terms of the nature of the knowledge and experiences of students and staff with regard to problem-based learning and its requirements.  相似文献   
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The purpose of this study is threefold: first, to describe the characteristics of child abuse and neglect on a major Indian reservation; second, to examine the impact of a community team approach to child abuse and neglect as measured by the incidence of reported abuse and neglect and admissions for emergency foster care; and third, to make recommendations for actions to close the gaps in child welfare services to Indian children living on reservations.  相似文献   
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Very few studies have examined issues of work-life balance among faculty of different racial/ethnic backgrounds. Utilizing data from Harvard University’s Collaborative on Academic Careers in Higher Education project, this study examined predictors of work-life balance for 2953 faculty members from 69 institutions. The final sample consisted of 1059 (36%) Asian American faculty, 512 (17%) African American faculty, 359 (12%) Latina/o faculty, and 1023 (35%) White/Caucasian faculty. There were 1184 (40%) women faculty and 1769 (60%) men faculty. The predictors of worklife balance included faculty characteristics, departmental/institutional characteristics and support, and faculty satisfaction with work. While African American women faculty reported less work-life balance than African American men, the reverse was true for Latina/o faculty. In addition, White faculty who were single with no children were significantly less likely to report having work-life balance than their married counterparts with children. Faculty rank was a significant positive predictor of work-life balance for all faculty. Notably, the findings highlight the importance of department and institutional support for making personal/family obligations and an academic career compatible. Institutional support for making personal/family obligations and an academic career compatible was consistently the strongest positive predictor of perceived work-life balance for all faculty. In addition, satisfaction with time spent on research had positive associations with work-life balance for all faculty, highlighting how faculty from all racial/ethnic backgrounds value being able to spend enough time on their own research.  相似文献   
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