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41.
This study describes the experiences of two preservice science teachers as they progress through their respective teacher education programs and uses critical race theory to examine the manner in which conceptions about race and its pedagogical implications change over time. Using a longitudinal case study method, participants' conceptual ecologies of race and pedagogy are mapped both before and after student teaching, and each case is analyzed for evidence of conceptual change in these areas. Findings show that conceptions about race and the pedagogical implications of race changed in ways that likely would have gone undetected in earlier studies because they did not result in wholesale changes in beliefs or teaching practice. This study suggests that the difficulty of fostering an understanding of structural racism and difference may often be underestimated, as revising one's model about race is mitigated strongly by learners' existing conceptual ecologies.  相似文献   
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Previous research on college student employment has focused on differences among students based on year of college attendance but included relatively few participants over the age of 25. The current study investigated the relationship between job choice, job/career relevance, and job satisfaction for students under age 20 (n = 143), students ages 20–24 (n = 253), and students over age 25 (n = 141). Results revealed significant differences among age groups in reasons for job choice and reaffirmed the positive correlation that past research had found between job satisfaction and career relevance. Findings emphasized the importance of choosing employment for career‐oriented reasons rather than for reasons of convenience.  相似文献   
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ObjectiveThe present study examined the influence of mirrors on self-presentational efficacy (SPE) and state social anxiety (SSA) in a group exercise class in female undergraduate students.MethodFifty-one female university students completed measures of SPE and SSA prior to and following a step aerobics class. Twenty-nine participants completed the class in front of a mirror, while 22 participants completed the class without a mirror.ResultsA repeated measures MANOVA indicated no differences in SPE or SSA based on the presence or absence of mirrors. Regardless of the presence or absence of a mirror, SPE increased and SSA decreased following exercise.ConclusionsThe results suggest that, for this population, completing an exercise session may be more important than the presence or absence of mirrors in influencing self-presentational concerns.  相似文献   
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FERMI: A Flexible Expert Reasoner with Multi-Domain Inferencing   总被引:1,自引:0,他引:1  
Expert reasoning combines voluminous domain-specific knowledge with more general factual and strategic knowledge. Whereas expert system builders have recognized the need for specificity and problem-solving researchers the need for generality, few attempts have been made to develop expert reasoning engines combining different kinds of knowledge at different levels of generality. This paper reports on the FERMI project, a computer-implemented expert reasoner in the natural sciences that encodes factual and strategic knowledge in separate semantic hierarchies. The principled decomposition of knowledge according to type and level of specificity yields both power and cross-doman generality, as demonstrated in FERMI's ability to apply the same principles of invariance and decomposition to solve problems in fluid statics, DC-circuits, and centroid location. Hierarchical knowledge representation and problem-solving principles are discussed, and illustrative problem-solving traces are presented.  相似文献   
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This study sought to identify and describe comfortable and uncomfortable body-related situations of young women, as well as describe their responses to such situations and strategies they used to cope with body-related threats, using Social Self-Preservation Theory (SSPT) as a guiding framework. Interviews were conducted with college women (N = 23). A theoretical thematic analysis approach was taken to identify, code, and report themes. In general, participants found it difficult to identify specific comfortable situations and responses in those situations. Comfortable situations were characterized by the presence of supportive others and feelings of general calmness and lowered body awareness or self-presentational concerns. Findings regarding uncomfortable body-related situations indicated that the context (e.g., presence of others, body exposure), responses (e.g., embarrassment, inadequacy, awareness of others’ evaluations, faster heart rate), and coping strategies (e.g., avoidance, concealing behaviors) described by participants were consistent with SSPT.  相似文献   
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Intraorganizational employee navigation (IEN) is conceptualized as a means of better understanding how the organizational actor proactively works across their firm's internal environment in the execution of their jobs. Navigation is argued to be a precursor to the employee's overall performance through a class of mediating variables labeled “socially derived outcomes,” which are variables inside the organization that are bestowed upon the employee as a result of them first engaging in proactive behavior (e.g., IEN). Two studies are reported. Study I sees IEN psychometrically validated versus a range of existing proactive behaviors and individual traits (discriminant, nomological, and criterion‐related validity) with a heterogeneous sample of 704 employees. Study II then tests a model relating IEN to performance through six mediating “socially derived outcomes” by leveraging data from 2 Fortune 500 firms. The results of Study II show that IEN significantly impacts multiple measures of the employee's overall performance through mediating effects brought about by key socially derived outcomes, such as the employee's “manager alignment.” The contributions, broader implications, and limitations of the research are then put into context.  相似文献   
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