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111.
Successful businesses know that customers make purchase decisions based on a complex bundle of rational and emotional factors that vary in degree and importance depending upon the context. In crowded markets where potential customers have many comparable options, it is often the emotional relationships that they have with businesses that influence where they spend their dollars. Recognizing this reality, businesses have been shifting from transacting with customers to “engaging” with them. This article outlines the need for librarians to understand engagement more fully, and it points to guidance from the business literature on how to define and create engagement.  相似文献   
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The aim of the study was to determine whether estimates of the speed–duration relationship are affected using different time-trial (TT) field-based testing protocols, where exhaustive times were located within the generally recommended durations of 2–15?min. Ten triathletes (mean?±?SD age: 31.0?±?5.7?years; height: 1.81?±?0.05?m; body mass: 76.5?±?6.8?kg) performed two randomly assigned field tests to determine critical speed (CS) and the total distance covered above CS (D?). CS and D? were obtained using two different protocols comprising three TT that were interspersed by 60?min passive rest. The TTs were 12, 7, and 3?min in Protocol I and 10, 5, and 2?min in Protocol II. A linear relationship of speed vs. the inverse of time (s?=?D??×?1/t?+?CS) was used to determine parameter estimates. Significant differences were found for CS (p?=?0.026), but not for D? (p?=?0.123). The effect size for CS (d?=?0.305) was considered small, while that for D? was considered moderate (d?=?0.742). CS was significantly correlated between protocols (r?=?0.934; p?D? (r?=?0.053; p?=?0.884). The 95% limits of agreement were ±0.28m?s?1 and ±73.9?m for CS and D?, respectively. These findings demonstrate that the choice of exhaustive times within commonly accepted durations results in different estimates of CS and D?, and thus protocols cannot be used interchangeably. The use of a consistent protocol is therefore recommended, when investigating or monitoring the speed–duration relationship estimates in well-trained athletes.  相似文献   
114.

Stereotype threat (ST) is a potential explanation for inequalities in language competencies observed between students from different language backgrounds. Language competencies are an important prerequisite for educational success, wherefore the significance for investigation arises. While ST effects on achievement are empirically well documented, little is known about whether ST also impairs learning. Thus, we investigated vocabulary learning in language minority elementary school students, also searching for potential moderators. In a pre-post design, 240 fourth-grade students in Germany who were on average 10 years old (MAge = 9.92, SD = 0.64; 49.8% female) were randomly assigned to one of four experimental conditions: implicit ST, explicit ST without threat removal before posttest, explicit ST with threat removal before posttest, and a control group. Results showed that learning difficult vocabulary from reading two narrative texts was unaffected by ST. Neither students’ identification with their culture of residence and culture of origin nor stereotyped domain of reading were moderators. The findings are discussed with regard to content and methodological aspects such that a motivation effect might have undermined a possible ST effect. Implications for future research include examining the question at what age children become susceptible to ST and whether students have internalized negative stereotypes about their own group, which could increase the likelihood of ST effects occurring.

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