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81.
Mubarak K. Al Salami Carole J. Makela Michael A. de Miranda 《International Journal of Technology and Design Education》2017,27(1):63-88
Integrating engineering and technology concepts into K-12 science and math curricula through engineering design project-based learning has been found to increase students’ interest in science, technology, engineering, and mathematics (STEM), however preparing teachers to shift to interdisciplinary teaching remains a significant challenge. Primarily teachers need to develop both skills and attitudes toward interdisciplinary teaching. In doing so, professional development (PD) is considered a key component in helping teachers through this transformation process. In an educational environment of accountability, measuring the effects of PD programs on teacher behaviors and capacity is essential but often elusive. The current study describes the change in attitudes to interdisciplinary teaching of 29 self-selected middle and high school teachers who participated a PD workshop and in delivering a 12–15 week interdisciplinary teaching and design problem unit that spanned multiple STEM subjects. This quasi-experimental pilot study implemented a single group pretest–posttest design using survey methods to collect data from the participants at two intervals; at the time of the PD workshop and at the completion of the teaching unit that emphasized a long-term engineering design problem. The goals of this research are to (1) assess the changes in attitudes to interdisciplinary teaching, attitudes to teamwork, teaching satisfaction, and resistance to change, (2) explore relationships among these changes, (3) and describe the variation in these changes across teachers’ gender, school level, discipline taught, and education level. 相似文献
82.
A warehouse receipt is a document issued by a warehouse operator as evidence that a specified commodity of stated quantity and quality has been deposited at a particular warehouse by a named depositor. When backed by an appropriate legal and regulatory framework, a warehouse receipt becomes a formal financial instrument that allows the depositor to confer a security interest in the stored commodity to another party without requiring physical delivery, allowing the warehouse receipt to serve as possessory collateral for a loan. Warehouse receipt financing, in theory, permits smallholders farmers in developing countries to store their surplus safely in a modern warehouse to sell at a later date when prices are higher, while allowing them to use the stored commodity as collateral to secure a loan to finance household consumption and investment needs in the interim. However, in practice, warehouse receipt financing generally has not been embraced by smallholders in developing countries in which it is available. Here, we develop and analyze a formal stochastic dynamic model of seasonal commodity marketing that exposes the transaction cost and risk reallocation problems that undermine the benefits of warehouse receipt financing to smallholders. 相似文献
83.
Miranda Worthen Angela Veale Susan McKay Michael Wessells 《Oxford Development Studies》2019,47(2):154-170
The Participatory Action Research (PAR) study with Young Mothers in Liberia, Sierra Leone and northern Uganda which took place from 2006 to 2009 aimed to understand what ‘reintegration’ meant to young mothers formerly associated with armed groups. It also implemented social action initiatives designed by study participants to promote their wellbeing and achieve reintegration. We evaluated the study using multiple participatory evaluation methods, situating evaluation as part of the cycle of research and action. This approach facilitated young mothers’ participation in developing the criteria by which the study and its reintegration outcomes would be judged. We describe each method and what we uniquely learned from using a participatory evaluation approach. We discuss how this approach is well-suited for complex studies, can enhance data quality, increases capacity of all involved in the evaluation and supports the critical reflexivity necessary for participatory studies to succeed. 相似文献
84.
Silva Thiago Christiano Hasan Iftekhar Tabak Benjamin Miranda 《Journal of Economic Growth》2021,26(3):329-357
Journal of Economic Growth - We study how financing non-traditional local activities, conceived here as a proxy for activity diversification, is associated with economic growth. We use... 相似文献
85.
Dragan Miljkovic Silvia H. G. de Miranda Ana L. Kassouf Fabíola C. R. Oliveira 《Applied economics》2018,50(28):3076-3088
This article aims to evaluate a possible relation between increased Brazilian trade openness and increasing observed rates of overweight and obesity during the last 25 years. We develop an economic model where formal trade barriers are eliminated, and resulting sociocultural outcomes such as the adoption of westernized lifestyle in traditional non-western countries prevails, which could imply a health externality. In order to empirically analyse the influence of trade flows on overweight and obesity in Brazil, a balanced fixed-effects panel model has been estimated. Data for the 26 Brazilian states plus the Federal District are run for 1988/1989, 2002 and 2008. We found that an increase in trade openness leads to an increase in overweight and obesity ratios in Brazil. Hence results seem to point that there is a health externality in Brazil due to trade liberalization. However, more consistent evidence may be necessary to convince politicians and policymakers that any interference will be necessary to correct this externality. 相似文献
86.
Graça Miranda Silva Paulo J. Gomes Helena Carvalho Vera Geraldes 《Business Strategy and the Environment》2021,30(8):3804-3820
Organizations are under increased pressure to improve their sustainable performance through the adoption of green supply chain management (GSCM) practices. Small and medium enterprises (SMEs) have lagged behind larger corporations due to a number of factors. Chief among these factors is the lack of resources and capabilities. In this study, we investigate whether entrepreneurial orientation as a distinctive firm-level resource contributes to the successful implementation of GSCM practices within SMEs. We use primary data obtained from 316 manufacturing SMEs and analyze the data by using a fuzzy-set qualitative comparative analysis (fsQCA). Our findings show four equifinal configurations of GSCM practices and the components of entrepreneurial orientation (EO) that lead to high environmental performance. Two practices, “eco-design” and “internal environmental management”, are present in all configurations, with the latter being the single core condition. The components of EO are present in all the configurations. Three distinct configurations lead to the simultaneous achievement of high environmental performance and high economic performance. Some noticeable differences appear in these configurations: “internal environmental management” is no longer a core condition, instead external practices (“green purchasing,” “cooperation with customers including environmental requirements,” and “investment recovery”) and “risk-taking” become core conditions. We exptrapolate our findings into a set of propositions that expand theory on the link between entrepreneurial orientation and sustainable performance. Our study provides insights for managers who seek to infuse entrepreneurial thoughts and actions into their green supply chain initiatives. 相似文献
87.
Graa Miranda Silva Paulo J. Gomes Joseph Sarkis 《Business Strategy and the Environment》2019,28(5):819-832
How organizational green practices become routinely embedded in supply chains remains underexplored in the literature. Based on the practice‐based view and normalization process theory, this study adopts a novel perspective on green supply chain management (GSCM) practices implementation and suggests that innovation is a crucial mechanism in such process. Specifically, we theorize and test the mediating effect of product and process innovation on the relationship between GSCM practices and sustainability performance. Survey data from 173 manufacturing firms were used to test the model hypotheses. Our findings show that product and process innovation mediate the relationship between GSCM practices and sustainability performance. The findings also suggest that the relevance of different innovation mechanisms depends on the stage of the operational lifecycle within which the practices are implemented. Our study provides insights for managers and scholars seeking to define innovation strategies to ensure the successful implementation of GSCM practices. 相似文献
88.
Journal of Business Ethics - Men typically express more willingness than women to perpetrate fraudulent acts like lying in negotiations. However, women express just as much willingness in some... 相似文献
89.
90.