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971.
The growing ubiquity of mobile telephony able to send e-mail raises new questions, and renews old issues, about the effect of the medium on a message. This article reports experimental results testing effects of user- and medium-generated cues on perceptions of message senders. Grounded in warranting theory, we assess the interaction of low- and high-warrant cues on perceptions of the sender's professionalism, hypothesizing senders of grammatically accurate messages are perceived as more credible. However, we also hypothesize an interaction between grammatical accuracy and the system-generated high-warrant cues from the mobile device used to send the message. Responses from 111 students assessing the credibility of an e-mail sender indicate that, although a message's user-generated content (grammatically accurate vs. erred) influences receiver's perceptions, negative attributions are attenuated by cues reflecting the transmission medium (i.e., a message's mobile signature block). Findings offer theoretical implications for warranting theory. Additionally, results suggest practitioners need to craft a message and indicate the transmission medium strategically to mitigate any impacts on attributions of professionalism to message receivers.  相似文献   
972.
In health-communication research, participants who are disproportionately affected by health disparities are often “hard-to-reach,” making them difficult to identify for formative research. This study used communication infrastructure theory (CIT) to create a strategy for locating a specific subset of residents—those who use 911 for healthcare—within a low-income Atlanta community. Findings suggest the need for strategies that involve employing both the communication channels that are part of the neighborhood storytelling network and the community's discursive spaces, more specifically the communication hot spots and community comfort zones located within the community's built environment.  相似文献   
973.
This research analyzes a peace-media initiative in Kenya designed to promote conflict resolution and reconciliation in the months following the 2007 post-election violence. This multifaceted intervention featured a 19-episode television talk show that aired in Kenya for six months; a series of open-air screenings of the show; and workshops held in eight areas heavily affected by the violence. Using criteria for evaluating “media for peace,” I evaluate the effectiveness of the program strategy and provide recommendations for practitioners and researchers. Based on interview data, and analysis of internal documents and the talk show, I assess the program's effectiveness and offer suggestions, which can be used by both practitioners and academics interested in peace media. In addition, the findings suggest that recognition of the other was an important part of the conflict resolution process as workshop members recognized their “enemies” and Kenyans from disparate parts of the country as similar to themselves in their experience of the violence. This research contributes to our understanding of the implementation of media-for-peace initiatives using a systemic evaluation process that academics and practitioners can use when designing, implementing, and researching these types of programs.  相似文献   
974.
The goals of the study were to examine personal resources and social distress during the first month in college among students with learning disabilities (LD) and to compare their experiences with non-LD peer. The sample consisted of 335 first-year undergraduate students falling into two groups: 85 students with LD and 250 non-LD students. Questionnaires assessed hope, dispositional optimism and loneliness. We hypothesised that, after participation in a single-session hope intervention workshop, the hope and optimism levels of both students with LD and without LD would increase, while their loneliness would decrease. However, after a month of facing the academic and social demands of their new college environment, we expected that the hope and optimism scores of students with LD would be lower than their peers without LD and that their loneliness scores would be higher. As hypothesised, both groups reported enhanced hope and optimism, as well as lower loneliness, immediately after the workshop. However, students with LD – but not their peers – returned to baseline levels of hope and loneliness after a month. Loneliness after a month predicted lower hope, after controlling predictors from the beginning of the year.  相似文献   
975.
The Measure of Acceptance of the Theory of Evolution (MATE) was constructed to be a single-factor instrument that assesses an individual's overall acceptance of evolutionary theory. The MATE was validated and the scores resulting from the MATE were found to be reliable for the population of inservice high school biology teachers. However, many studies have utilized the MATE for different populations, such as university students enrolled in a biology or genetics course, high school students, and preservice teachers. This is problematic because the dimensionality and reliability of the MATE may not be consistent across populations. It is not uncommon in science education research to find examples where scales are applied to novel populations without proper assessment of the validity and reliability. In order to illustrate this issue, a case study is presented where the dimensionality of the MATE is evaluated for a population of non-science major preservice elementary teachers. With this objective in mind, factor analytic and item response models are fit to the observed data to provide evidence for or against a one-dimensional latent structure and to detect which items do not conform to the theoretical construct for this population. The results of this study call into question any findings and conclusions made using the MATE for a Hispanic population of preservice teachers and point out the error of assuming invariance across substantively different populations.  相似文献   
976.
Few studies have empirically investigated the specific factors in mentoring relationships between undergraduate researchers (mentees) and their mentors in the biological and life sciences that account for mentees’ positive academic and career outcomes. Using archival evaluation data from more than 400 mentees gathered over a multi-year period (2005–2011) from several undergraduate biology research programs at a large, Midwestern research university, we validated existing evaluation measures of the mentored research experience and the mentor–mentee relationship. We used a subset of data from mentees (77% underrepresented racial/ethnic minorities) to test a hypothesized social cognitive career theory model of associations between mentees’ academic outcomes and perceptions of their research mentoring relationships. Results from path analysis indicate that perceived mentor effectiveness indirectly predicted post-baccalaureate outcomes via research self-efficacy beliefs. Findings are discussed with implications for developing new and refining existing tools to measure this impact, programmatic interventions to increase the success of culturally diverse research mentees and future directions for research.  相似文献   
977.
Although science centres and museums are important educational resources, school trips to these places are not often conducted in a manner that could maximise learning. In addressing this issue, a Framework for Museum Practice (FMP) is proposed, derived from the perspectives of Cultural Historical Activity Theory, theories of intrinsic motivation, and research into conceptual learning. It is hypothesised that this theoretically derived framework, if implemented by museum educators, can potentially lead to the creation of resources for teachers that would enable them to make better use of the learning opportunities afforded by school trips, and to maximise the impact on pupil learning, including their affective experience. This paper also describes how the framework was used to guide the development of resources to be used in conjunction with a science museum trip. The resources were tested by two primary school teachers and their classes, and the data were analysed for evidence of teacher and student behaviour consistent with the design principles in the FMP. Findings lend some empirical support for the FMP and suggest that it may offer a guide for the development of museum‐provided resources, which would have the potential to improve the utilisation by teachers of informal science institutions and, consequently, their impact on pupil learning.  相似文献   
978.
李光地为有清重臣,著作等身。通过考察李光地晚年以朱学为归,对朱学消化融受之后,有所调节,探究其对朱学得失有何补益。其理学继承清初儒学转向实学的风潮,将“人欲”视作非恶,进而首出“性”义,改朱子“致知”为“知本”,一反朱学“天理”、“人欲”的对立紧张,道德实践而可平实,不流于高深玄虚,可谓有补于道学。然抵受不住清代箝制思想的政治力量以及四书五经陷泥科考,士人无意理学,反转向考据,他的成就并未引起历史迥响。  相似文献   
979.
This article examines how Latina/o professors perceive, experience, and reflect on the tenure and promotion process. Findings for this longitudinal study are drawn from a purposive sample of nine female and seven male, Latina/o tenure-track faculty participants. Using a Critical Race Theory, Latino Critical (LatCrit) Race Theory, and Chicana Feminist framework, this article documents fundamental inequities in the tenure and promotion policies and practices that affected the Latina/o faculty in this study. Using narrative data, educational biographies, in-depth semi-structured interviews, and unstructured ethnographic interviews, this study found four common themes: (1) tenure and promotion processes functioned as a “tool of fear,” (2) the tenure and promotion process was like a “moving target,” (3) tenure provided limited forms of respect but not full membership, and (4) Latina/o supervivencia enabled the professors to thrive despite unsupportive and sometimes hostile campus and departmental climates.  相似文献   
980.
This article explores the processes of racialization imposed on Sa’moan youth through policy and practice in one urban, US school district and at one high school in particular. Specifically, I use the methodological practices of defamiliarization and counter‐storytelling to examine the contradictory practices of racialization and the simultaneously oppressive and transformative potentials these practices catalyze. The analysis of this process is framed by the Critical Race Theory concepts of colorblindness and Whiteness as property, which powerfully illustrate how this racialization both disrupts and reifies reigning local and national racial norms and hierarchies.  相似文献   
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