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How do scores from writing samples generated by computerized essay scorers compare to those generated by “untrained” human scorers and what combination of scores, if any, is more accurate at placing students in composition courses? This study endeavored to answer this two-part question by evaluating the correspondence between writing sample scores generated by the IntelliMetric™ automated scoring system and scores generated by University Preparation English faculty, as well as examining the predictive validity of both the automated and human scores. The results revealed significant correlations between the faculty scores and the IntelliMetric™ scores of the ACCUPLACER™ OnLine WritePlacer Plus test. Moreover, logistic regression models that utilized the IntelliMetric™ scores and average faculty scores were more accurate at placing students (77% overall correct placement rate) than were models incorporating only the average faculty score or the IntelliMetric™ scores. 相似文献
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Pauline?A.?Porcaro Denise?E.?Jackson Patricia?M.?McLaughlin Cindy?J.?O’MalleyEmail authorView authors OrcID profile 《Journal of Science Education and Technology》2016,25(3):345-357
A common trend in higher education is the “flipped” classroom, which facilitates active learning during class. The flipped approach to teaching was instituted in a haematology ‘major’ class and the students’ attitudes and preferences for the teaching materials were surveyed. The curriculum design was explicit and involved four major components (1) the preparation of the students; (2) the weekly pre-class work; (3) the in-class active learning strategies and (4) closing the learning loop using formative quizzes. Each of these components is discussed in detail and was informed by sound pedagogical strategies. Several different sources of information and several freely available software tools to engage the students are discussed. Two iterations are reported here, with improved pass rate for the final examination from 47 to 48 % in the traditional class to 56–65 % in the flipped classroom approach. The majority of students (93 and 89 %) came to the class prepared, after viewing the screencasts and engaged fully with the activities within the face-to-face time. The students perceived that solving case studies (93 %) was the most beneficial activity for their learning and this was closely followed by the production of essay plans (71 %). The majority of students recommended that this approach be repeated the following year (69 and 75 %). 相似文献
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The main aim of this study was to assess the separate and combined effects of exercise and nasal splinting on static and dynamic measures of nasal airflow. In a randomized crossover design, 12 healthy participants (6 men, 6 women) performed static and dynamic spirometric nasal airflow assessment tests, with or without nasal splinting (Breathe-Right?), before and after a maximal oxygen uptake (VO 2max ) treadmill test. At least 7 days later, the V O 2max and nasal airflow tests were repeated. The results showed that the measured variables were not significantly different with and without nasal splinting. We conclude that the absence of significantly enhanced nasal patency observed for nasal splinting and after exercise suggest that these factors have a minimal impact on nasal airflow volume and rate. 相似文献
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Cindy Crain Margaret Eisenhart John McLaughlin 《Research quarterly for exercise and sport》2013,84(3):231-236
Abstract Little evidence exists to assess the effects of dance training on special populations. Research in this field has relied on pretest-posttest methods for gathering data. While such data gathering methods may be appropriate for particular research problems, alone they may be inadequate for broad-based, exploratory investigations of programs and effects. The present study is an example of a multiple measurement approach that uses eight measurements, in combination, to answer four research questions regarding the physical and social effects that occur when a group of educable mentally retarded adolescents is exposed to a 10-week dance program. The findings revealed that four students showed improvement in both social and physical behaviors, seven students showed improvement in either social or physical behaviors, and two students showed no improvement. There was no evidence of a “transfer effect” due to participation in the program, and some students' behaviors were affected by external factors. The authors found the approach useful for identifying multiple effects and generating hypotheses for further study. 相似文献
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94 mothers with 2-year-old children were interviewd about their employment, role satisfaction, and social support and were observed in their homes at dinnertime and in a laboratory compliance task. Hierarchical multiple regressions were used to test main effects of employment, hours employed, and their interactions. Maternal employment adversely affected maternal behavior when satisfaction with social support or with the work role was low, but only in the laboratory. Positive main effects of employment on maternal behavior were observed in the home: employed mothers used less power assertion with their children. Mothers who worked longer hours used more guidance and were more responsive to their children in both settings. In both settings, the effect of poor-quality care on child behavior was greater when mothers were employed, and, in the laboratory, boys of employed mothers were more defiant than boys of nonemployed mothers and girls of employed mothers. Boys with more than one current arrangement were more likely than similarly situated girls to be defiant in the laboratory, but they were also less likely than girls to be cared for by fathers. 相似文献
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(International) R&D collaboration and SMEs: The effectiveness of targeted public R&D support schemes
This study analyses the impact and effectiveness of targeted public support for R&D investment at the firm level. We test whether the policy design aiming at incentivizing (international) collaboration and R&D in SMEs achieves input as well as output additionality. Our results show that the targeted public subsidies trigger R&D spending, especially so in internationally collaborating SMEs. We further evaluate the different impact of privately financed and publicly induced R&D investment on innovation performance. The results confirm that the publicly induced R&D is productive as it translates into marketable product innovations. While both types of R&D investments trigger significant output effects, the effect of policy-induced R&D investment on sales from market novelties is highest for international collaborators as well as for SMEs. 相似文献
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This study reports on the composing process of one student, Peta (a pseudonym), as he reflects on a significant composition he produced during a unit on identity in a 12th‐grade English class in a U. S. high school. The unit was the first thematic exploration of the year for the students and was designed to help them think about themselves as readers, writers, and individuals. The teacher's goal was to have students' engagements with literary and artistic texts serve as vehicles for developing better understandings of themselves. The study demonstrates how students' engagement with more ‘traditional’ artefacts is essentially an example of multimodality and evidences why teachers and researchers should see such work as part of the long tradition of creativity within English. It also demonstrates how such an apparently ‘traditional’ artistic approach in fact covers the same territory as that of the digital revolution, that is that multimodal ‘tools’ engage all the cultural resources of students from their domestic, community and school settings, in contrast with much typical school activity that is perceived as pointless and tedious. 相似文献