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The present study investigated visuals on cosmetic surgery websites to better understand how these sites depict ideal beauty. The content analysis of 90 cosmetic surgery websites found most sites used general photos and more than half used 10 or more before-and-after photos. Women outnumbered men in general photographs but not in before-and-after photographs. Brunette men and women significantly outnumbered blondes. However, there were significantly more men with dark-colored eyes, while women were significantly more likely to have light-colored eyes. Implications are discussed. 相似文献
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Using multilevel models, this study examined whether the strength of the association between student engagement and development of generic student competencies (GSCs) varies across Korean colleges. Data from the Korean Educational Development Institute’s 2007 national sample and from 5,445 students representing 60 four-year colleges and universities were utilized. The results indicate that a specific type of engagement is linked to a particular learning outcome, which means that not every engagement type has an equal impact thereon. The findings also suggest that in Korea, the impact on GSC of one of the student engagement types, that is, active learning, significantly varies by college mission and the peer climate of cooperative learning. 相似文献
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The purposes of this study were (1) to develop a science and technology (ST) ethics education program for prospective science teachers, (2) to examine the effect of the program on the perceptions of the participants, in terms of their ethics and education concerns, and (3) to evaluate the impact of the program design. The program utilized problem-based learning (PBL) which was performed as an iterative process during two cycles. A total of 23 and 29 prospective teachers in each cycle performed team activities. A PBL-based ST ethics education program for the science classroom setting was effective in enhancing participants’ perceptions of ethics and education in ST. These perceptions motivated prospective science teachers to develop and implement ST ethics education in their future classrooms. The change in the prospective teachers’ perceptions of ethical issues and the need for ethics education was greater when the topic was controversial. 相似文献
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Ashley K. Smith Watts Deepika Patel Robin P. Corley Naomi P. Friedman John K. Hewitt JoAnn L. Robinson Soo H. Rhee 《Child development》2014,85(4):1569-1585
Studies have reported an inverse association between language development and behavioral inhibition or shyness across childhood, but the direction of this association remains unclear. This study tested alternative hypotheses regarding this association in a large sample of toddlers. Data on behavioral inhibition and expressive and receptive language abilities were collected from 816 twins at ages 14, 20, and 24 months. Growth and regression models were fit to the data to assess the longitudinal associations between behavioral inhibition and language development from 14 to 24 months. Overall, there were significant associations between behavioral inhibition and expressive language, and minimal associations with receptive language, indicating that the association is better explained by reticence to respond rather than deficient language development. 相似文献
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理想的图书馆员和信息专家的素质与形象 总被引：46，自引：2，他引：44
论述图书情报工作所需的知识、技能和道德。附录部分引介了美国专门图书馆协会提交的“21世纪专门图书馆员必备的素质”的报告。 相似文献
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Erica J. Roelofs Eric T. Trexler Katie R. Hirsch Meredith G. Mock 《European Journal of Sport Science》2017,17(3):317-325
The effects of pomegranate extract (PE) supplementation were evaluated on high-intensity exercise performance, blood flow, vessel diameter, oxygen saturation (SPO2), heart rate (HR), and blood pressure (BP). In a randomized, crossover design, nineteen recreationally resistance-trained participants were randomly assigned to PE (1000?mg) or placebo (PL), which were consumed 30?min prior to a repeated sprint ability (RSA) test and repetitions to fatigue (RTF) on bench and leg press. The RSA consisted of ten six-second sprints on a friction-loaded cycle ergometer with 30?s recovery. Brachial artery blood flow and vessel diameter were assessed by ultrasound. Blood flow, vessel diameter, SPO2, HR, and BP were assessed at baseline, 30?min post ingestion, immediately post exercise (IPost), and 30?min post exercise (30minPost). With PE, blood flow significantly increased IPost RSA (mean difference?=?18.49?mL?min?1; P?<?.05), and IPost and 30minPost RTF (P?<?.05) according to confidence intervals (CI). Vessel diameter increased significantly 30minPost RSA according to CI and resulted in a significant interaction IPost and 30minPost RTF (P?<?.05). With PE, according to CI, average and peak power output increased significantly in sprint 5 of the RSA (P?<?.05). There was no significant difference between PE and PL for bench (P?=?.25) or leg press (P?=?.15) repetitions. Acute PE supplementation enhanced vessel diameter and blood flow, suggesting possible exercise performance enhancement from increased delivery of substrates and oxygen. The acute timing and capsule form of PE may be advantageous to athletic populations due to ergogenic effects, taste, and convenience. 相似文献
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Douglas Fuchs Devery Mock Paul L. Morgan Caresa L. Young 《Learning disabilities research & practice》2003,18(3):157-171
Longstanding concern about how learning disabilities (LD) are defined and identified, coupled with recent efforts in Washington, DC to eliminate IQ‐achievement discrepancy as an LD marker, have led to serious public discussion about alternative identification methods. The most popular of the alternatives is responsiveness‐to‐intervention (RTI), of which there are two basic versions: the “problem‐solving” model and the “standard‐protocol” approach. The authors describe both types, review empirical evidence bearing on their effectiveness and feasibility, and conclude that more needs to be understood before RTI may be viewed as a valid means of identifying students with LD. 相似文献
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Kihyun Kim Silvana Trimi Hyesung Park Shanggeun Rhee 《Decision Sciences Journal of Innovative Education》2012,10(4):575-587
Course Management Systems (CMSs) in higher education have emerged as one of the most widely adopted e‐learning platforms. This study examines the success of e‐learning CMSs based on user satisfaction and benefits. Using DeLone and McLean's information system success model as a theoretical framework, we analyze the success of e‐learning CMSs in five dimensions: system quality, information quality, instructional quality, user satisfaction, and CMS benefits. An analysis of survey data collected from students participating in a university‐wide CMS shows that system quality, information quality, and instructional quality positively influence user satisfaction, which, in turn, increases the benefits of CMSs. By providing a comprehensive framework for the critical success factors in e‐learning CMSs and their causal relationships, this study provides practical implications for managing e‐learning courses and resources for a more flexible and effective CMS‐centered, e‐learning environment. 相似文献