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1.
Research in Science Education - Students learn more than science knowledge in a science classroom; they also acquire important messages about the purposes and contexts of science. Roberts (2011)...  相似文献   
2.
“The Bicycle Assembly Line Game” is a team‐based, in‐class activity that helps students develop a basic understanding of continuously operating processes. Each team of 7–10 students selects one of seven prefigured bicycle assembly lines to operate. The lines are run in real‐time, and the team that operates the line that yields the highest revenue wins. Students learn through discovery “What drives output rate?”; “How is capacity managed relative to market demand?”; and “Why does inventory accumulate?” Because task times are constant, the game provides a nice lead‐in to the topic of line balancing. This game has been successfully used in both undergraduate‐ and MBA‐level operations management courses.  相似文献   
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School is a hyperviolent space for Black students and in particular for Black girls. Black girls continue to be adultified, criminalized, and spirit-murdered by educators who enact racially discriminatory school disciplinary policies. Using literature from racial microaggressions and antiblackness, we introduce a model that we refer to as “antiblack aggressions” to examine the disciplinary experiences of two Black girls who were at the center of a violent assault by a White male School Resource Officer at Spring Valley High School. We provide an analysis of South Carolina's Disturbing Schools Law, and we discuss how an antiblack aggressions model can challenge traditional notions of peace, law, and justice for Black girls in school.  相似文献   
5.
Based on a review of studies on children's and adolescents’ attitudes and conceptions about aging and older people and on studies analyzing media content such as children's literature, textbooks, and public television programs to determine how older persons are portrayed, a rationale is provided for systematic education about aging in the public schools of the United States.  相似文献   
6.
Although there is evidence for a close link between the development of oral vocabulary and reading comprehension, less clear is whether oral vocabulary skills relate to the development of word-level reading skills. This study investigated vocabulary and literacy in 81 children aged 8 to 10 years. In regression analyses, vocabulary accounted for unique variance in exception word reading and reading comprehension, but not text reading accuracy, decoding, or regular word reading. Consistent with these data, children with poor reading comprehension exhibited oral vocabulary weaknesses and read fewer exception words correctly. These findings demonstrate that oral vocabulary is associated with some, but not all, reading skills. Results are discussed in terms of current models of reading development.  相似文献   
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The re-emergence of student voice presents a challenge to schools and researchers to become more responsive to the voice of adolescents in education and in research. However, the poor articulation of the nature of student voice to date is confirmation of the complex and important nature of the personal advocacy and human agency that is involved in all student voice activities. This lack of clarity leads to interpretations of student voice that range in authenticity from token to active and meaningful (Hart, R. 1997. Children's Participation: The Theory and Practice of Involving Young Citizens in Community Development and Environmental Care. Earthscan Publications. London: UNICEF). Researchers who are guided by more traditional methodologies may implement methods that are appropriate for adults yet are not sensitive to the needs and interests of the young person whose perspectives are usually the focus of the research. This research found that while an advocacy and empowerment worldview supports student voice research, adolescents also prefer a methodology that is agentic, socially based, reflective and embodied (Dempster, N., A. Lizzio, M. Keeffe, J. Skinner, and D. Andrews. 2010. “The Contributions of Research Design and Process Facilitation in Accessing Adolescent views of Leadership.” Leading and Managing 16 [2]: 77–89). Adolescent perspectives on research processes and methods are valuable in helping researchers to choose more responsive approaches to sharing understandings with adolescents, so that research designs may be challenging, meaningful and rewarding for all participants.  相似文献   
9.
A student's expectation for a positive outcome for their future career development is referred to as career optimism. Career Services, a common university department, utilizes the social cognitive career theory (SCCT) to understand how students form career interests and make educational and vocational choices. Then Career Services can assist students in finding a career that matches their interests. We hypothesize that students' perception of the assistance provided by the Career Services department when the SCCT is applied, impacts the student's career optimism. In addition, we hypothesize, and results support, that different factors, such as a student's chosen major, impact student perception of Career Services and career optimism.  相似文献   
10.
Tennis is an activity requiring both endurance and anaerobic components, which could have immunosuppressive effects postexercise.

Purpose

The purpose of this investigation was to determine the effect of a simulated tennis match on apoptotic and migratory markers on lymphocyte subsets.

Method

Male high school (n = 5) and college (n = 3) tennis players (M age = 18.9 ± 3.3 years) completed 10 sets of a tennis protocol including serves, forehand strokes, and backhand groundstrokes with 1-min rest periods between sets. Apoptosis antigen 1 receptor (CD95) and chemokine receptor fractalkine (CX3CR1) expression was analyzed on helper T lymphocytes (CD4+), cytotoxic T lymphocytes (CD8+), and B lymphocytes (CD19+) twice, at resting baseline and immediately after all 10 sets of the tennis protocol.

Results

An increase was observed in each lymphocyte subtype (p < .02, effect size = .41), and comparison of absolute changes revealed increases in CD4+/CD95+, CD8+/CD95+, and CD8+/CX3CR1 lymphocytes following the tennis protocol (p < .01, effect size = .43), but not in CD19+ cells.

Conclusions

A simulated tennis match has adequate intensity to induce immune modulations in terms of increased cell death and cellular migration in T lymphocyte subsets. Lymphocytopenia following tennis play is influenced by both apoptotic and migratory mechanisms.  相似文献   
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