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Individuals frequently engage in self-presentation via social media and can subsequently receive various simple communicative cues (paralinguistic digital affordances; PDAs) from which they may determine the success of their self-presentation, including Likes and Upvotes. Previous research has found these communicatively abstract one-click cues are interpreted idiosyncratically when received, but the quantity received matters to users in determining whether a post is “successful.” The present work probes explanatory mechanisms behind the use of PDA responses as a metric of self-presentational success, deriving hypotheses from social comparison theory, social penetration theory, and expectancy violations theory. Results from a survey (N = 255) reveal that social comparison and communicative reciprocity provide explanatory power regarding the threshold of Likes and Reactions to a Facebook post needed to consider a post successful. 相似文献
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Mary E. Bratsch-Hines Robert Carr Eleni Zgourou Lynne Vernon-Feagans Michael Willoughby 《Child development》2020,91(6):1854-1864
This study considered the quality and stability of infant and toddler nonparental child care from 6 to 36 months in relation to language, social, and academic skills measured proximally at 36 months and distally at kindergarten. Quality was measured separately as caregiver–child verbal interactions and caregiver sensitivity, and stability was measured as having fewer sequential child-care caregivers. This longitudinal examination involved a subsample (N = 1,055) from the Family Life Project, a representative sample of families living in rural counties in the United States. Structural equation modeling revealed that children who experienced more positive caregiver–child verbal interactions had higher 36-month language skills, which indirectly led to higher kindergarten academic and social skills. Children who experienced more caregiver stability had higher kindergarten social skills. 相似文献
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David Carr 《Journal of Philosophy of Education》2000,34(2):297-312
Despite its exalted status in post-war analytical educational philosophy as probably the main aim of liberal education, the basic philosophical psychology of autonomy or self-determination is prey to certain not widely acknowledged conceptual difficulties. In relation to this problem, the present paper explores different conceptions of evaluation and competing liberal and communitarian conceptions of rational choice and decision, to the ultimate end of defending a crucial connection—discerned by many ancient and modern philosophers—between rational self-direction and the possibility of objective knowledge and truth. 相似文献
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In this paper, we present a range of formative assessment types for engineering mathematics, including in-class exercises, homework, mock examination questions, table quizzes, presentations, critical analyses of statistical papers, peer-to-peer teaching, online assessments and electronic voting systems. We provide practical tips for the implementation of such assessments, with a particular focus on time or resource constraints and large class sizes, as well as effective methods of feedback. In addition, we consider the benefits of such formative assessments for students and staff. 相似文献
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David Carr 《Curator: The Museum Journal》2010,53(1):51-70
Fresh encounters with Māori treasures first seen by the author at the Metropolitan Museum in 1984 revealed the concentrated power of these objects and the importance of their presence among the beliefs and continuities of their makers’ culture. A masterwork viewed in a museum may evoke a strong and sometimes inarticulate response. We might say the inability to articulate reflects a larger dimension—an aspect of the infinite—residing in the object. Museum objects return us to the human culture and knowledge we carry with us; they stimulate reflective impulses essential to the shared threads of democracy. They allow us to locate ourselves and each other, and our shared horizons. 相似文献
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Characterising the impact performance of field hockey sticks 总被引:1,自引:1,他引:0
Published research on field hockey equipment is scarce. The aim of this research was to investigate methods for characterising the impact performance of field hockey sticks. Three sticks were used with fundamental frequencies in the range 74?C154?Hz. Striking an initially still ball with a stick was identified as the preferred method for characterising performance. Impacts were simulated at mean velocities of 19?m/s at toe and 16?m/s at the shaft. The mean apparent coefficient of restitution and standard deviation were ?0.32?±?0.05 at the toe and ?0.18?±?0.02 at the shaft. The foundation work presented here provides the foundations for developing a methodology for characterising the impact performance of field hockey sticks. 相似文献