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91.
Naomi Holmes 《Assessment & Evaluation in Higher Education》2015,40(1):1-14
Student engagement is an important issue in higher education, and is related to the quality of the student experience. Increasing student engagement is one way of enhancing quality at a higher education institution. An institution is able to influence student engagement in a number of ways, one being through curriculum design. The use of a low-stakes continuous weekly summative e-assessment had a positive influence on student engagement in an optional level 5 (second year) undergraduate geography module. Students considered their increased engagement was a direct consequence of this assessment method. It was also found that students thought they improved their learning, particularly their understanding, as a result of the continuous assessment. This study suggests that carefully designed assessments can be used to increase student engagement and learning, and, as a result, contribute to improving the quality of the overall student experience. 相似文献
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We examined the information processing capabilities of children diagnosed with the inattentive subtype of attention-deficit/hyperactivity disorder (ADHD) who had been characterized as having a sluggish cognitive tempo. Children referred for school-related problems (n = 81) and nonreferred community controls (n = 149) participated. Of the referred children, 24 met criteria for ADHD, 42 met criteria for reading disability (RD), and 9 of these were comorbid for RD and ADHD. Children with ADHD differed from those without ADHD on a visual search task but not on an auditory processing task; the reverse was true for children with RD. Decomposition of the visual search task into component operations demonstrated that children in the ADHD group had a slow processing rate that was not attributable to inattention. The children with ADHD were not globally poor at information processing or inattentive, but they demonstrated diminished speed of visual processing. 相似文献
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Scientific writing and scientific discovery 总被引:1,自引:0,他引:1
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Holmes Finch 《Journal of Educational Measurement》2008,45(3):225-245
Missing data are a common problem in a variety of measurement settings, including responses to items on both cognitive and affective assessments. Researchers have shown that such missing data may create problems in the estimation of item difficulty parameters in the Item Response Theory (IRT) context, particularly if they are ignored. At the same time, a number of data imputation methods have been developed outside of the IRT framework and been shown to be effective tools for dealing with missing data. The current study takes several of these methods that have been found to be useful in other contexts and investigates their performance with IRT data that contain missing values. Through a simulation study, it is shown that these methods exhibit varying degrees of effectiveness in terms of imputing data that in turn produce accurate sample estimates of item difficulty and discrimination parameters. 相似文献
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This study examines the performance of a new method for assessing and characterizing dimensionality in test data using the NOHARM model, and comparing it with DETECT. Dimensionality assessment is carried out using two goodness-of-fit statistics that are compared to reference χ2 distributions. A Monte Carlo study is used with item parameters based on a statewide basic skills assessment and the SAT. Other factors that are varied include the correlation among the latent traits, the number of items, the number of subjects, skewness of the latent traits, and the presence or absence of guessing. The performance of the two procedures is judged by the accuracy in determining the number of underlying dimensions, and the degree to which items are correctly clustered together. Results indicate that the new, NOHARM-based method appears to perform comparably to DETECT in terms of simultaneously finding the correct number of dimensions and clustering items correctly. NOHARM is generally better able to determine the number of underlying dimensions, but less able to group items together, than DETECT. When errors in item cluster assignment are made, DETECT is more likely to incorrectly separate items while NOHARM more often incorrectly groups them together. 相似文献
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Holmes FL 《Isis; an international review devoted to the history of science and its cultural influences》2000,91(4):735-753
Recent revisionist interpretations of the chemical revolution have left intact the core of the traditional view that its central feature was the overthow of the phlogiston theory by the oxygen theory of combustion of Antoine Lavoisier. The central confrontation has been seen as that between the adherents of the chemical system that Lavoisier built around his theory and the form of the phlogiston theory defended by Joseph Priestley. This essay contends that Priestley's use of phlogiston was so loosely connected with the older phlogiston theories descended from that of Georg Ernst Stahl that the events at the heart of the chemical revolution should be viewed more as a competition between two rival new research programs than as the replacement of a reigning paradigm. 相似文献