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121.
T. J. Stewart E. Roberts P. Eleazer R. Boland D. Wieland 《Educational gerontology》2013,39(6):409-421
Results are reported from 2 common measures of medical student attitudes toward older adults: Maxwell-Sullivan Attitude Survey (MSAS); and UCLA Geriatrics Attitude Survey (GAS), with students entering the University of South Carolina School of Medicine (USCSM) in the period 2000–2005. A reliability analysis incorporating item means, Cronbach's alpha, item correlation matrix, and, Spearman-Brown prediction for positively and negatively worded items was conducted. Internal consistency results were unacceptable, revealing reliability and validity problems in this sample of medical students. Reconsideration of the use of these common measures, and a reframing of attitudes of medical students toward older adults seem appropriate. 相似文献
122.
By far, literature regarding Chinese early childhood education and care (ECEC) has primarily focused on Youeryuan in urban settings. Youeryuan is the everyday Chinese term used for ECEC programs serving children ages three to six, which does include the U.S. version of the kindergarten year. This paper will refer to Youeryuan rather than the Western definitions of preschool or kindergarten so as to maintain authenticity. Furthermore, this paper will focus on the history and development of rural Youeryuan based on a qualitative study of the government-owned, privately operated Youeryuan that represent the current reform initiatives in early childhood in China. Through teacher and administrator interviews, onsite observations using ECERS-R, and school documents, the lead author immersed herself in rural Youeryuan as part of a larger ethnographic study in China in the midst of economic and educational transformations. The findings of this study revealed themes related to increased government investment, improved school policies, the lack of instructional materials, curriculum and instruction issues, local government support for professional development, administrative support for instruction, and the need for mentoring for teachers. 相似文献
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Two squirrel monkeys searched for a reward buried in 1 of 144 holes that formed a 12×12 grid (48×50 cm). An array of vertical, colored landmarks was placed on the grid, and their locations on the grid were changed from trial to trial. During training trials, the mealworm reward was placed either in the center of a square array of landmarks (Experiments 1 and 3) or midway between two landmarks (Experiment 2). On nonrewarded test trials, the monkeys searched among landmarks placed in the same arrays as those used in training and among landmarks placed in an expanded array (Experiments 1 and 2) or in an array intermediate between the two arrays used in training (Experiment 3). Distributions of searches on test trials indicated that the monkeys searched mostly within the configuration of the landmarks but that they had not coded the location of the reward as being either in the middle of the landmarks or at a fixed distance and direction from an individual landmark. 相似文献
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Dennis M. Roberts 《Journal of Educational Measurement》1993,30(4):331-344
This study attempted to better define trick questions and see if students could differentiate between trick and not–trick questions. Phase 1 elicited definitions of trick questions so as to identify essential characteristics. Seven components were found. Phase 2 obtained ratings to see which components of trick questions were considered to be most crucial. The intention of the item constructor and the fact that the questions had multiple correct answers received highest ratings from students. Phase 3 presented a collection of statistics items, some of which were labeled on an a priori basis as being trick or not–trick. The analysis indicated that examinees were able to statistically differentiate between trick and not–trick items, but the difference compared to chance was small. Not–trick items were more successfully sorted than trick items, and trick items that were classified as intentional were sorted about as well as nonintentional items. Evidence seems to suggest that the concept of trickiness is not as clear as some test construction textbook authors suggest. 相似文献
130.
Kirk Roberts Matthew Simpson Dina Demner-Fushman Ellen Voorhees William Hersh 《Information Retrieval》2016,19(1-2):113-148
Providing access to relevant biomedical literature in a clinical setting has the potential to bridge a critical gap in evidence-based medicine. Here, our goal is specifically to provide relevant articles to clinicians to improve their decision-making in diagnosing, treating, and testing patients. To this end, the TREC 2014 Clinical Decision Support Track evaluated a system’s ability to retrieve relevant articles in one of three categories (Diagnosis, Treatment, Test) using an idealized form of a patient medical record. Over 100 submissions from over 25 participants were evaluated on 30 topics, resulting in over 37k relevance judgments. In this article, we provide an overview of the task, a survey of the information retrieval methods employed by the participants, an analysis of the results, and a discussion on the future directions for this challenging yet important task. 相似文献