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511.
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Abstract

This article examines a variety of specialized encyclopedias from several disciplines that can be used to introduce students to the topic of Coptic art. The reference works included here can be found in a variety of academic libraries, from Carnegie research institutions to learning resource centers in community libraries, and will help students develop the foundational knowledge necessary to approach more specific topics within Coptic art. Although students may be comfortable, with varying degrees of effectiveness, searching the online catalog or navigating library databases to find books and journal articles, they are, for the most part, unaware of the wealth of useful information found on the metaphorical reference shelves. It is here that librarians can serve a valuable role identifying specific reference titles that introduce students to scholarly texts on a myriad of topics.  相似文献   
513.
ABSTRACT

Audiences generally view people who display more (versus less) comparative optimism more favorably. We explored whether audiences view a target who displays comparative optimism as more professionally successful, and conversely, whether they view a target who is more professionally successful as more comparatively optimistic. In Study 1, participants estimated the career success of a target that varied in level of comparative optimism. In Study 2, participants estimated the level of comparative optimism of a target that varied in career success. The results revealed that observers rated comparative optimists as likely to have successful careers, and rated people with successful careers as likely to display comparative optimism. Inferences about personal agency account for the bidirectional relationship.  相似文献   
514.
ABSTRACT

Few studies have replicated and extended the classic mimicry → liking effect. The present research sought to (a) replicate the affiliative consequences of mimicry; (b) test whether the affiliative consequences hold in a context where mimicry may not be normative (i.e., cross-race interactions); and (c) investigate how excluded individuals respond to same- versus cross-race mimicry and non-mimicry. Participants wrote about a control topic or social exclusion and then engaged in a brief laboratory interaction in which they were mimicked or not mimicked by a confederate who was either same-race or cross-race. Then they reported how much they liked the confederate. Within the control condition, the effect of mimicry on affiliation depended on the race of the confederate – but this pattern did not emerge for excluded individuals. The study was unable to conclusively replicate and extend previous findings. The authors make recommendations to promote a more cumulative science of behavioral mimicry.  相似文献   
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This study was designed to better understand the process underlying the learning of goal-directed locomotion. Subjects walked on a treadmill in a virtual reality setting and were asked to cross pairs of oscillating doors. The subjects' behaviour was examined at the beginning of the learning process (pretest), after 350 trials (intermediate test), and after 700 trials (posttest). The data were analysed at three different levels, each representing a specific aspect of the global response: performance outcome, displacement kinematics, and current arrival condition. While some aspects of performance outcome suggested the presence of a ceiling effect in the intermediate test, both displacement kinematics and current arrival condition clearly highlighted continuous transformations of the control mechanism involved. The learning process is best described as (1) the establishing of a relationship between specific information and a movement parameter and (2) the optimization of this relationship. The optimization process is characterized by the further exploration of the available behavioural repertoire and by the refinement of the dialogue between information and movement.  相似文献   
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This paper seeks to connect adolescents' communication within on‐line weblogs or blogs to developmental processes. A total of 195 English language blogs written by self‐identified 14‐ to 18‐year‐olds were selected; three entries from each blog were analysed, resulting in a sample of 585 entries. Blogger demographics, self‐presentation, and blog entries (format, style, content, and tone) were coded. The blog authors in our sample were overwhelmingly female and lived within the US; the majority were between 15‐ and 16‐years of age. Bloggers utilized usernames and userpictures for self‐presentation and in addition to gender, frequently presented information about their age and location. The majority of the entries used text, were narrative and reflective in style, and contained themes related to their authors' peers and everyday life. Emotional tone was present and entries with romantic, identity, and future‐related themes often contained emotional tone. Blog authors seemed to be using blogs to create narratives and to reflect about the people and events in their lives. Our results show that adolescent bloggers project off‐line themes to their blogs, suggesting that their on‐line and off‐line contexts are psychologically connected.  相似文献   
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Either a person's claim to subsistence goods is held against institutions equipped to distribute social benefits and burdens fairly or it is made regardless of such a social scheme. If the former, then one's claim is not best understood as based on principles setting out a subsistence goods entitlement, but rather on principles of equitable social distribution — a fair share. If, however, the claim is not against a given social scheme, no plausible principle exists defining what counts as a reasonable burden for any of the available agents to secure subsistence. No justifiable principle exists implying generalised perfect duties any agent could clearly follow or clearly breach that secure subsistence conditions for others. At best we can justify rescue duties under very specific conditions, or general but imperfect duties to improve arrangements. Neither of these obviously correlates with human rights standards. Attempts in the literature to overcome the dilemma by claiming basic rights can correlate with imperfect duties or can generate duties to work towards institutions that ‘perfect’ our imperfect duties, are faulty. I then show how the dilemma can be avoided by accounts of human rights focusing on minimum respectful treatment rather than goods or interests.  相似文献   
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