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Animal Cognition - Chemical information has an important role in the sensory ecology of aquatic species. For aquatic prey, chemical cues are a vital source of information related to predator...  相似文献   
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This study used student and teacher survey data from over 400 middle schools in California to examine within‐school racial disparities in students’ experiences of school climate. It further examined the relationship between a school’s racial climate gaps and achievement gaps and other school structures and norms that may help explain why some schools have larger or smaller racial disparities in student reports of climate than others. Multilevel regression results problematized the concept of a “school climate” by showing that, in an average middle school, Black and Hispanic students have less favorable experiences of safety, connectedness, relationships with adults, and opportunities for participation compared to White students. The results also show that certain racial school climate gaps vary in magnitude across middle schools, and in middle schools where these gaps are larger, the racial achievement gap is also larger. Finally, the socioeconomic status of students, student–teacher ratio, and geographic location help explain some cross‐school variation in racial climate gaps. These findings have implications for how school climate in conceptualized, measured, and improved.  相似文献   
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Marketers are interested in the first buyers of new products, given their important role in driving wider community adoption. This is especially the case for new entertainment products, like new or relocated sports teams who must quickly build fan connections and loyalty, given the importance of crowds and social networks in adding value to the entertainment experience. Fans choose to connect with sports teams for numerous reasons; however, fan development in the context of a new team has rarely been examined. This paper examines the diversity and similarity among inaugural fans of an expansion team. A large sample (n = 1724) was classified into five segments revealing how each varies in their brand associations, satisfaction, identification and involvement. By analysing key dimensions (relationship identifiers) that characterise how consumers connect with a new team, the authors provide new insights about the nature of consumers in the context of a new sports team. Furthermore, the five segments were found to be distinct cohorts, with sufficient variation between them to warrant variant marketing approaches to achieve the outcome of committed, long‐term fans. Copyright © 2015 John Wiley & Sons, Ltd.  相似文献   
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