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1.
The free-play behavior of young hearing impaired children in integrated and segregated settings was compared using a multielement baseline design. Two children, aged 3 and 5, were observed using momentary time sampling of their play as they alternated from one setting to the other. Data were collected in ech setting for various categories of play behavior. The categories were derived from the classic play categories of Parten and Smilansky. Results indicate that the children engaged in more socially advanced play in the integrated setting. 相似文献
2.
Enrico E. Bertacchini Chiara Dalle Nogare Raffaele Scuderi 《Journal of Cultural Economics》2018,42(4):619-643
This article provides an empirical investigation of the effects of the ownership and organizational structure on the performance of cultural institutions. More specifically, we consider how museums are effective in their function of disseminating culture to audiences and contributing to the local development. By exploiting a unique data set based on the 2011 census of Italian museums, we develop performance indices of accessibility, visitors’ experience, web visibility and promotion of the local cultural context. Using count data models, we regress such measures on the type of organization. We distinguish between governmental museums, public museums whose administration is either outsourced or has financial autonomy and private museums. We control for the most salient characteristics of a museum, competition pressure and some proxies of potential audience. Our evidence shows that private museums, public museums with financial autonomy and outsourced museums outperform public museums run as sub-units of culture departments. This paper contributes to the cultural economics and public policy and administration literature by adding insights into the effect of outsourcing and administrative decentralization in the public cultural sector. 相似文献
3.
Adobe is a construction technique that uses raw clayey earth mixed and moulded to form blocks to realize a bearing wall. Romans were also used to add sand or coarse sand into the mixture to “degrease” clay and to allow to make it into a mixture. Fibres such as straw were often added into the mixture. Anyway, ancient home brick-makers have not had a chance to do scientific experimental investigation on the balance of ingredients and the optimisation of this production. This paper elaborates on how workability and mechanical properties of Roman ancient adobe earthen bricks change by varying the percentage of an on situ soil, straw and coarse sand into the mixture to produce them. The comparisons were also made with the only-earth samples. Breaking manners of all the samples were also compared. 相似文献
4.
Two mechanisms have been suggested to explain stretching-induced maximum force depression: a mechanical alteration in the stretched muscle and an impairment of neural activation. Electrical stimulation allows standardization of the level of muscle activation without being limited by neural control. The aim of this study was to evaluate the stretching-induced changes in the electrical and mechanical properties of muscle during electrically elicited contractions. Twelve participants (age 22 +/- 1 years; body mass 75 +/- 2 kg; stature 1.79 +/- 0.02 m; mean +/- standard error) underwent six electrical stimulations of the medial gastrocnemius muscle before and after stretching. During the contractions, surface electromyogram (EMG) and mechanomyogram (MMG) were recorded simultaneously together with force. After stretching we found: (i) no differences in EMG parameters; (ii) MMG amplitude decreased by 4 +/- 1% (P < 0.05); and (iii) the peak force, the peak rate of force development, and the acceleration peak of force development decreased by 12 +/- 3%, 14 +/- 1%, and 24 +/- 5%, respectively (P < 0.05). In conclusion, acute passive stretching did not change EMG properties but altered the mechanical characteristics of the contracting muscle. Indeed, muscle force-generating capacity and stiffness of the muscle-tendon unit were significantly impaired. 相似文献
5.
Alison Happel-Parkins Jennifer Esposito 《Educational Studies A Journal of the American Educational Studies Association》2015,51(1):3-16
This article examines how undergraduate instructors of pre-service educators can address complex issues of sexuality and sexual orientation within the classroom. First, we explain our own backgrounds and positionalities to provide a context for our ensuing ideas and discussions. Second, by reviewing the literature on homophobic bullying, we outline why it is imperative that preservice teachers understand and mobilize around issues of gay, lesbian, bisexual, transgender, queer/questioning, intersex rights. Third, we offer suggestions as to how to relate to undergraduate students when talking about sexuality and sexual orientation. We propose that using popular culture is an effective and engaging way of connecting to preservice teachers who have not previously had to confront their own homophobia and heterosexism. We suggest that using popular films or TV shows, such as Ugly Betty, has the potential to open up space for dialogue and critical engagement with issues such as explicit or implicit homophobia. We believe that critical media literacy skills are necessary tools for young people who are constantly bombarded with oftentimes stereotypical images and personifications of GLBTQI people within the mainstream media. Consequently, although we propose that popular culture be used as an educative space within the undergraduate classroom, it must be used both carefully and critically. Finally, we discuss why it is imperative that undergraduate professors address these issues within the classroom by referencing recent tragedies that are directly connected to homophobic bullying. 相似文献
6.
Joseph J. Esposito 《Publishing Research Quarterly》2011,27(1):13-18
The migration from print books to ebooks is more than a change of format; it is also the first step in an ongoing process,
whose final outcome is hard to predict. Ebooks are likely to lead to a restructuring of the industry by enabling cross-border
commerce. This in turn is likely to lead to difficult disputes over territorial rights. It appears probable that these disputes
will be resolved by an assertion of the dominance of the American market and the publishers that already serve it well, as
authors are likely to place their rights with practitioners in the largest markets. This in turn will lead to the acquisition
of many smaller “national” publishers, which cannot compete on a world stage with truly global publishers. But rather than
simply becoming sources of editorial product for American-based global marketing machines, smaller publishers operating in
different regions will respond through innovation, both in product design (attempting to do electronically what cannot be
done in print) and in developing new marketing plans that the giant publishers would be indisposed to pursue. 相似文献
7.
This paper analyzes the implementation of new intermunicipal structures in Italy to support the development of E-Government in the country's peripheral areas. Our exploratory case study, conducted in the Piedmont Region, shows that intermunicipal collaborations can facilitate the coordination of interdependent subjects, rationalize existing resources (e.g., through the reuse of application software solutions), and prevent the dispersion of federal government funds. Nevertheless, intermunicipal collaborations alone do not seem to have the power needed to ensure that decisions made at the central level will automatically translate into concrete and binding commitments for the municipalities involved. From a methodological standpoint, the article makes use of the analytical frameworks offered by organization science to interpret the effects of collaborative arrangements on E-Government implementation. 相似文献
8.
Jennifer Esposito 《Equity & Excellence in Education》2013,46(3):273-288
This article is an autoethnographic account of how I negotiated intersectional identities as a Latina, mother, and professor, mentoring students of color. Specifically, I examine the ways mothering shaped my relationships with the students I mentored. I engaged in “othermothering” and utilized “pedagogies of the home” by creating reciprocal relationships of caring and nurturing. Utilizing critical race theory (CRT) and testimonio, I argue that my identity as a mother of color successfully negotiating the tenure track impacted the ways in which I mentor(ed) students of color. 相似文献
9.
Brian M. Galla Sophia Choukas-Bradley Hannah M. Fiore Michael V. Esposito 《Child development》2021,92(5):1717-1734
Two preregistered experiments with 2,733 U.S. high school students (age range = 13–19 years) compared the impact of different messages on adolescents’ motivation to control social media use (SMU). A traditional message emphasized the benefits of avoiding SMU, whereas a values-alignment message framed controlling SMU as being consistent with autonomy and social justice. Compared to no message or a traditional message, in both studies, a values-alignment message led to greater motivation to control SMU immediately afterward, and in Study 2, awareness of “addictive” social media designs 3 months later. As hypothesized, values-alignment messaging was more motivating for girls than boys. Results offer preliminary support for leveraging adolescents’ drives for autonomy and social justice to motivate self-regulation of SMU. 相似文献
10.