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1.
This paper reports on an investigation of personal web sites created by grandparents. The paper examines the sites and uncovers important themes relating to the grandparent‐grandchild relationship, the grand‐parenting role, and age identity. References to age are relatively rare, occurring largely in sites created by younger grandparents, and sites concerned with social activism. A number of ways in which being a grandparent is represented as a meaningful social identity are described. Conclusions are drawn in terms of theoretical links between relational, role, and social identities and issues of importance to the relationship between grandparents and grandchildren. It is argued that a social identity theory perspective provides interesting insight on the examination of communication about family relationships.  相似文献   

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As the Internet has enhanced the collection and provision of citation, usage, and access metrics, the challenge lies neither in the technology nor the method, but in constructing databases that deliver services of value to the scholar. The question everybody should be asking is: what kind of metric information services would serve scholars? One example is given of the systems that might well help a postdoctoral researcher.  相似文献   

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The purpose of this study was to examine sibling communication satisfaction, with a specific focus on interpersonal solidarity, individualized trust, and self‐disclosure. Respondents (N = 360) were asked to report on a relationship with either an older sister, younger sister, older brother, or younger brother. Results indicate that interpersonal solidarity is the largest predictor of sibling communication satisfaction, followed by individualized trust, and self‐disclosure.  相似文献   

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This investigation reported normative data for experienced (N = 20) and less‐experienced (N = 20) college teachers’ use of humor, self‐disclosure, and narrative activities. Results indicated that both groups of teachers observed in the study incorporated the three behaviors within their 50‐minute lectures. Experienced teachers, however, used humor, self‐disclosure, and narrative activities more frequently than the less‐experienced teachers. Additionally, the experienced teachers used the behaviors to clarify course content.  相似文献   

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Salt decay is one of the harshest, most frequent, and more complex types of decay of porous materials in built heritage, including natural stones, ceramics, and mortars. In this article, we address the mechanism of thermal expansion, which is one of the least studied, yet most controversial, of those proposed over time to explain salt decay. We present a review of scientific literature on the topic, followed by a study of the effects of thermal expansion on a specific material, the well-known Ançã limestone. The study included experimental measurement of the linear thermal expansion coefficient of the Ançã, both in its natural state and with varying contents of sodium chloride, sodium sulphate, or sodium nitrate. The results show that this coefficient: (i) is significantly higher when the stone is contaminated with salt; and (ii) scales approximately with the amount of salt contained in the stone pores, regardless of the type of salt. Based on these results and on modelling of damage modes at the microscopic and macroscopic levels, respectively, we conclude that thermal expansion can cause powdering, disaggregation, or other types of decay consisting of internal loss of cohesion. However, it is not likely to cause exfoliation of salt-loaded layers.  相似文献   

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The field of Speech is faced with a number of misconceptions which should be noted by members of our profession in order that the essential nature of each of these “images”; can be properly understood and that a reasoned and documented reply can be provided. Each of these misconceptions has important implications in terms of our general status in society and also in terms of our academic status — place in the hierarchy of disciplines, Curricula, courses, degree programs, etc.  相似文献   

9.
Using the life stories of two leaders of the woman's suffrage movement, Elizabeth Cady Stanton and Anna Howard Shaw, this essay explores the role of autobiographies in social movements. Theoretically, the essay argues that as sustained narratives, autobiographies offer two distinctive rhetorical resources for their authors: the potential to depict the emergence of belief s from experiences and the ability to enact the doctrine. Second, the essay argues that the characteristic features of autobiography enhance the persuasive force of this depiction and enactment. In essence, the essay suggests that autobiographies can complement and supplement formal public arguments for a movement in distinctive ways.  相似文献   

10.
To date, African Americans and Latinos consent to organ donation at lower rates than Caucasians and are disproportionately represented on transplant waiting lists. However, limited work has investigated racial differences in predictors of organ donation registration. In this study, we examined racial differences in the antecedents of African American, Caucasian, and Latino young adults’ registration intentions using the theory of planned behavior, the noncognitive model, and perceived realism. Non-donors (N = 307) were recruited in a stratified random telephone survey. Results indicate that for African Americans, subjective norm, bodily integrity, and medical mistrust were the strongest predictors of registration intention. For Caucasians, attitude and subjective norm arose as key determinants of registration intention. For Latinos, attitude, subjective norm, and medical mistrust were the strongest predictors of registration intention. Consistent evidence for the independent predictive validity of perceived realism was also documented. The theoretical and practical implications of these findings are discussed, as well as avenues for future research.  相似文献   

11.
We show that the h-index, g-index, ψ-index, and p-index, are related through the inequalities: h ≤ p ≤ g ≤ ψ. Moreover, this relation is proved theoretically in the mathematical framework of Lotkaian informetrics and is verified empirically by using two datasets from the Web of Science in the fields of electrochemistry and gerontology. For quantifying their relations, we estimate the g-index, ψ-index, and their cores and ratios of cores via a second-order Taylor series when the e-index, h-index, and C1 (the maximum number of citations received by a paper) are known. Then we find for the two empirical cases, that ratios of cores and average citations are approximately stable. Compared with the g-index, the offset-ability of the h-index decreases by 20% but the average citations increase by 20%. A similar observation holds for the comparison of the g-index and ψ-index. To explore the possible applications of cores of different indices, we apply them to extract the core structure of a network. The h-core is the most efficient, while the ψ-core includes more nodes with high betweenness.  相似文献   

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The study aimed to find whether journal editorial office administrators were as effective as editors at assigning rigorous reviewers. We analysed four journals using blended systems of editor‐selected reviewers (ESR) and Journal Administrator‐selected reviewers (JASR) from four disciplines: medicine, sociology, education, and business/applied psychology. In blended journals, both editors and Journal Administrators select authors to review using web‐based expert‐finding tools. All reviewers selected were both authors and reviewers. We primarily wanted to assess the quality of reviews from both ESR and JASR reviewer selection methodologies. Reviewer rigour was defined as differences between editor decisions and reviewer recommendations. Timeliness data were also recorded and analysed separately as an indicator of efficiency. Reviewer rigour, the quality of reviewers’ evaluations, was estimated from the level of agreement between editors and reviewers. Timeliness was not considered a direct measure of rigour. For two journals, no statistically significant differences were observed; for two, in a small proportion of cases, ESR reviews were more negative. One journal showed some statistically significant major differences but only in 2% of reviews. Timeliness data indicated some statistically significant trends that JASR return reviews more promptly. Therefore, where editors rely on at least two reviewers’ recommendations, JASR is equally rigorous as ESR.  相似文献   

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This article explores the possibility of journalists acting as custodians of critical engagement, drawing on Rancière's conception of dissensus as organized disagreement over the conditions of understanding. It begins by assessing the status that worthiness and naiveté have as negative symbolic capital in the journalistic field, before asking whether journalists' ambivalent detachment from the objects of their inquiry hinders their ability to engage critically with experts in other fields. It argues that journalism's role in marshaling dissensus amounts to making clear the limits and absences of intelligibility in journalism and other fields, in distinction to disseminating knowledge as such.  相似文献   

14.
《文物保护研究》2013,58(4):217-226
Abstract

Many natural and synthetic products have been used for the consolidation of paint layers, but none have been thoroughly tested for this application. This is apparent for most of the synthetic and semi-synthetic adhesives for conservation, many of which are pure polymer resins and dispersions adapted from other industries. They were not specifically formulated with the appropriate properties for conservation, nor do they take advantage of some of the more recent developments in adhesive technology. BEVA® 371 is unique among adhesives used for consolidation treatments, as it is a multi-component mixture and was designed specifically for the conservation field using the best technology available at the time. However, the main focus of the research was its application as a lining adhesive. Thus, optical properties and stability, specifically color stability, were not thoroughly evaluated even though some lining applications that were first recommended could have benefited from this type of investigation. This paper will discuss the development of BEVA® 371, the chemistry, and roles of each component, and address a practical concern about the tack behavior of its replacement formulation, BEVA® 371b.  相似文献   

15.
The model minority began as an ideology pitting Japanese Americans against African Americans, using the former's economic success to deflect assertions of the persistence of race. In stressing enmity, research on black attitudes toward Asian Americans points to the utility of the myth in segmenting the two communities. The thrust of reporting on Japanese America in thirty seven black newspapers from 2000 to 2010 shows something different. Two frames emerge: Japanese Americans function as a reference group serving to reinforce the historical substance of racial profiling of minorities, and as a role model for developing a strategy for black efforts at reparations.  相似文献   

16.
In this paper, we show that an information source composed with n random variables may be split into 2n or 2n  1 “states”; therefore, one could compute the maximum entropy of the source. We derive the efficiency and the unused capacity of an information source. We demonstrate that in more than two dimensions, the transmission's variability depends on the system configuration; thus, we determine the upper and the lower bounds to the mutual information and propose the transmission power as an indicator of the Triple Helix of university–industry–government relationships. The transmission power is defined as the fraction of the total ‘configurational information’ produced in a system; it appears like the efficiency of the transmission and may be interpreted as the strength of the variables dependency, the strength of the synergy between the system's variable or the strength of information flow within the system.  相似文献   

17.
This research investigates why the government closed 70 Athenian radio stations in 2001 and explores the degree of pluralism able to develop in Greece since radio privatized in 1988. The results suggest a kind of pluralism emerged in which voices-independent of political or economic interests- are not cultivated or tolerated. The new media environment is dominated by wealthy businessmen with financial interests in shipping, telecommunications, and refining. The radio enthusiasts, who advocated free radio during the movement to privatize radio, are not being served. The station closings functioned to exacerbate the interplay between the media owners and politicians.  相似文献   

18.
There is an extensive amount of Library and Information Science (LIS) writing produced each year. While there is general awareness regarding the variety of journal literature, there is no certainty on the percentage of the collection that we can call research. This project is an important first step in answering the question. A content analysis of the LIS academic/scholarly journals at the Simmons College Library was conducted. The research level collection of LIS literature makes the library an ideal candidate for this study. The latest issue of each journal subscribed to for fiscal year 2012–2013 containing academic/scholarly content was analyzed. Each article was analyzed to determine: 1) if it was research or non-research, 2) the method used to collect data for the study in the article, and 3) the subject terms or keywords associated with the article. 105 journal titles were identified out of 177 periodicals. In the 1880 articles analyzed from these, 16% qualified as research. Surveys were found to be the most popular research method used. This study will benefit students, faculty, and staff with research requirements as well as librarians who guide patrons through a search for research literature.  相似文献   

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