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271.
Factorial invariance assessment is central in the development of educational and psychological assessments. Establishing invariance of factor structures is key for building a strong score and inference validity argument and assists in establishing the fairness of score use. Fit indices and guidelines for judging a lack of invariance is an ongoing line of research. In this study, the authors examined the performance of the root mean squared error of approximation equivalence testing approach described by Yuan and Chan in the context of measurement invariance assessment. This investigation was completed through a simulation study in which several factors were varied, including sample size, type of invariance tested, and magnitude and percent of a lack of invariance. The findings generally support the use of equivalence testing for situations in which the indicator variables were normally distributed, particularly for total sample sizes of 200 or more. 相似文献
272.
This article focused on the analysis of four years of circulation data from print monographs acquired through an approval plan and firm ordering and incorporated interlibrary loan data to compare purchases with demand. A group of subject areas, including communication, psychology, and engineering were selected as examples for in-depth analysis. Using R programming, the authors automated an analysis to identify areas needing attention. The results from the analysis, together with librarians' subject expertise, enabled librarians to adjust monograph purchases accordingly. 相似文献
273.
Recently many business management programs in institutions of higher learning have undergone significant change in orientation, content, and delivery. In order to ensure that the graduates acquire the education and skills needed in the organizations of the future, these institutions have attempted to bridge theoretical underpinnings with practical content. In so doing, administrators and instructors have given more emphasis to deliberate integration of discipline-specific material. In this article we draw on previous research in both adult and experiential learning to develop an innovative approach for role-playing using case studies in management education. However, unlike the traditional use of cases, our approach builds an experience around the case study company by surrounding learners with additional props to use in the decision-making process. We describe an experiential learning process that provides an opportunity for integration while capitalizing on the characteristics of adult learners. We have used the approach successfully in MBA programs in both Canada and the United Kingdom to challenge students to resolve some of the complex, multi-dimensional issues facing today's organizations. We have also found this approach to be transferable to other learning situations. 相似文献
274.
Irene Münster 《图书馆管理杂志》2017,57(2):174-193
In 2005, representatives from Montgomery County Public Schools (MCPS), the Universities at Shady Grove (USG), and the University of Maryland Libraries, explored a potential partnership between their libraries. With different patrons and missions, merging the two library cultures and functions presented challenges and opportunities to administrators and librarians.
This study examines the dimensions and impact on both libraries. It will inquire whether it resulted in a limited, primarily administrative arrangement, or whether the libraries were able to achieve true collaboration. The findings highlight some issues libraries could take into account before embarking into a merger process. 相似文献
275.
In recent years academic journal publishers have explored a variety of new business models. The Berkeley Electronic Press (bepress), founded by professors in 1999, now publishes 39 electronic‐only journals. bepress's own model rests on three principles: improve, but do not break, the traditional journal; allow non‐subscribers to read articles as guests; and offer reasonable and sustainable prices to libraries. This model has resulted in steady growth. Even in the shifting landscape of open access, there remains a place for professional journal publishers who offer innovative improvements, traditionally qualified content, and reasonable prices. 相似文献
276.
Wanda Forczek Irene Baena-Chicón Alfonso Vargas-Macías 《European Journal of Sport Science》2017,17(9):1161-1176
Background: Flamenco is a highly emotional and demanding dance form. It is important to understand how the dancer’s body works in order to improve fitness levels and reduce injuries. Thus, our investigation reviewed studies on kinesiological aspects of flamenco over recent years. Methods: The review was restricted to experimental studies. Literature searches were conducted using the following databases: PubMed, Scopus, and Ebsco: SPORTDiscus with Full Text, Medline, Health Source: Nursing/Academic Edition, Health Source – Consumer Edition. After limiting the search, 180 potential articles remained for analysis. Results: A total of 27 papers on different aspects of flamenco dance were finally selected: biomechanics (14), podiatry (6), injury incidence (3), anthropometry (2), and physiology (2). These studies have applied well-established methods from sports studies. However, we noted a number of potential limitations when applied to flamenco. Conclusions: The evidence from this review shows that flamenco dancing demands high levels of effort. Further research is required to understand how the dancer’s body works in order to improve fitness levels and reduce injuries. Most of the results presented here are consistent among studies. However, there is a great scarcity of research addressing flamenco movement in a more comprehensive perspective. 相似文献
277.
Irene Bloom 《Journal of Mathematics Teacher Education》2007,10(4-6):399-403
This paper describes the implementation of extended analysis tasks (EATs) in a required mathematics course for prospective high school mathematics teachers, and investigates the mathematical discovery promoted through engagement with these tasks. Extended analysis tasks are designed to move students beyond the problem context to the underlying mathematical structure of the problem. The results of this study revealed that with careful implementation, these tasks were effective for generating powerful mathematical thinking in preservice mathematics teachers, improving their problem solving, and generally enhancing the habits-of-mind exhibited by successful mathematicians (Carlson & Bloom, 2005). 相似文献
278.
Besides viewing knowledge about the nature of science (NOS) as important for its own value with respect to scientific literacy, an adequate understanding of NOS is expected to improve science content learning by fostering the ability to interrelate scientific concepts and, thus, coherently acquire scientific content knowledge. However, there is a lack of systematic investigations, which clarify the relations between NOS and science content learning. In this paper, we present the results of a study, conducted to investigate how NOS understanding relates to students’ acquisition of a proper understanding of the concept of energy. A total of 82 sixth and seventh grade students received an instructional unit on energy, with 41 of them receiving generic NOS instruction beforehand. This NOS instruction, however, did not result in students having higher scores on the NOS instrument. Thus, correlational analyses were performed to investigate how students’ NOS understanding prior to the energy unit related to their learning about science content. Results show that a more adequate understanding of NOS might relate to students’ perspective on the concept of energy and might support them in understanding the nature of energy as a theoretical concept. Students with higher NOS understanding, for example, seemed to be more capable of learning how to relate the different energy forms to each other and to justify why they can be subsumed under the term of energy. Further, we found that NOS understanding may also be related to students’ approach toward energy degradation—a concept that can be difficult for students to master—while it does not seem to have a substantive impact on students’ learning gain regarding energy forms, transformation, or conservation. 相似文献
279.
This articie is a brief response to an article on spelling by David Waugh which appeared in Vol. 29(2). The authors argue that the Letterland system can be of great benefit in approaching spelling. 相似文献
280.
Four psittacids—an African Grey parrot, an Illiger macaw, a cockatiel, and a parakeet—were tested on object-permanence tasks that are commonly used to assess levels of understanding in human infants during their first 2 years. These birds showed Stage 6 competence, demonstrating that object permanence is not limited to mammals. The results for these birds were comparable to those of an African Grey parrot that had been trained in interspecies communication prior to object-permanence testing. Our findings thus suggest that although language-like behavior provides a communication channel that facilitates testing, such language training is unlikely to affect the outcome of the tests. 相似文献