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Eight hundred forty children (435 girls) enrolled in full-time, center-based child care participated in the study. Children ranged in age from 10 to 70 months. Sixty-six percent of the children were European American, the remainder African American. Children's play activities and cognitive activities as well as their relationships with caregivers were observed within the child care setting. The study tested the prediction that variation in children's cognitive activities could be directly and indirectly explained by child care quality, positive social interaction with teachers, and children's play activities and attachment security with their child care teachers. The prediction was examined and at least partially supported in eight subsamples of infant-toddler and preschool age European American and African American children in subsidized and nonsubsidized child care. Specifically, in seven of the eight subsamples, 15 to 30% of the variability in children's cognitive activities could be predicted from positive social interaction with teachers, attachment security, and participation in creative play activities.  相似文献   
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Objective:The decisions and processes that may compose a systematic search strategy have not been formally identified and categorized. This study aimed to (1) identify all decisions that could be made and processes that could be used in a systematic search strategy and (2) create a hierarchical framework of those decisions and processes.Methods:The literature was searched for documents or guides on conducting a literature search for a systematic review or other evidence synthesis. The decisions or processes for locating studies were extracted from eligible documents and categorized into a structured hierarchical framework. Feedback from experts was sought to revise the framework. The framework was revised iteratively and tested using recently published literature on systematic searching.Results:Guidance documents were identified from expert organizations and a search of the literature and Internet. Data were extracted from 74 eligible documents to form the initial framework. The framework was revised based on feedback from 9 search experts and further review and testing by the authors. The hierarchical framework consists of 119 decisions or processes sorted into 17 categories and arranged under 5 topics. These topics are “Skill of the searcher,” “Selecting information to identify,” “Searching the literature electronically,” “Other ways to identify studies,” and “Updating the systematic review.”Conclusions:The work identifies and classifies the decisions and processes used in systematic searching. Future work can now focus on assessing and prioritizing research on the best methods for successfully identifying all eligible studies for a systematic review.  相似文献   
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The meaning of civility is culturally dependent—as are the rules associated with the term. If museums and their staff want to welcome all peoples, then the rules of civil behavior have to change to reflect that intention. Yet museums have mostly lived with the traditional, class‐dependent notion of etiquette. The area that the concept of civility should be concerned with covers our interactions in spheres generally considered separable: public behavior; staff behavior; content behavior; community relations. Museums would do well to examine those behavioral elements that have been assumed to be self‐evident: like not talking in the library (whereas there are now talking‐based rooms). Normative behavior is always changing, but interestingly, as it changes, it generally remains mostly in the service of peaceful outcomes. I am suggesting that direct interrogation of our unexamined rules about interactions with each other in every context—and adjusting them to reflect a changed society—might be more significant than previously assumed.  相似文献   
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Knowledge Management Research & Practice - Information and knowledge have been cited over the last two decades as competitive advantage tools. Recently, the use of them has been discussed to...  相似文献   
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