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691.
Experiment I demonstrated that the strength of a rat’s aversion to saccharin is a direct function of the amount of saccharin it consumed prior to poisoning. Using Kalat and Rozin’s (1973) procedure, Experiment II showed that results consistent with a “learned-safety” theory of taste aversion appear to depend on whether rats drink most saccharin on their first or second exposure to the solution prior to poisoning. Experiment III demonstrated that when animals drank equal amounts of saccharin solution on each of two exposures prior to poisoning, evidence strongly confirming the “learned-safety” theory was obtained. These experiments together demonstrate the importance of amount of solution drunk in the determination of taste aversion. 相似文献
692.
John J. Carney Grant Cioffi 《International Journal of Disability, Development & Education》1992,39(2):107-114
Dynamic assessment uses a response‐to‐instruction paradigm to complement traditional diagnostic assessment of word recognition and comprehension. The process helps the examiner to predict appropriate remedial intervention by exploring a student's responses to a series of instructional episodes in an interactive teaching‐learning relationship. Dynamic and traditional (or static) assessment differ in orientation (process vs product), procedure (response to instruction vs enumeration of existing abilities), and interpretation (patterns of response to instruction vs indices, for example percentiles or stanines). A dynamic approach to assessment provides the opportunity to evaluate systematically the instructional factors that influence reading performance. 相似文献
693.
Evaluating a bedside tool for neuroanatomical localization with extended‐matching questions 下载免费PDF全文
Kevin Tan Han Xin Chin Christine W.L. Yau Erle C.H. Lim Dujeepa Samarasekera Gominda Ponnamperuma Nigel C.K. Tan 《Anatomical sciences education》2018,11(3):262-269
Neuroanatomical localization (NL) is a key skill in neurology, but learners often have difficulty with it. This study aims to evaluate a concise NL tool (NLT) developed to help teach and learn NL. To evaluate the NLT, an extended‐matching questions (EMQ) test to assess NL was designed and validated. The EMQ was validated with fourth‐year medical students and internal medicine and neurology residents. The NLT's usability was evaluated with third‐ and fourth‐year students, and the effectiveness was evaluated with an experimental study of second‐year students, using the EMQ as the outcome measure. Students were taught how to use both the NLT and textbook algorithms (control) to perform NL, then randomized into either group, and only allowed to use their assigned tool to complete the EMQ. Primary outcome was the difference in mean EMQ scores expressed as a percentage of total score. For EMQ validation, students (n = 56) scored lower than residents (n = 50) (76.7% ± 1.7 vs. 83.0% ± 1.6; mean ± standard error of mean, P < 0.009). The EMQ demonstrated good reliability (Cronbach's α 0.85) and generalizability (G‐coefficient 0.85). Third‐ (n = 77) and fourth‐year (n = 42) students found the NLT user‐friendly and helpful in their learning of NL. In the experimental study, scores were significantly higher for NLT group (n = 94) than for controls (n = 101) (42.5 vs. 37.0%, P = 0.014); the effect size (Cohen's d) was 0.36. The EMQ is validated to reliably assess NL and is generalizable, feasible, practical, and of low cost. The concise and user‐friendly NLT for NL was effective in aiding medical student performance of NL. Anat Sci Educ 11: 262–269. © 2017 American Association of Anatomists. 相似文献