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31.
Understanding how situational features of assessment tasks impact reasoning is important for many educational pursuits, notably the selection of curricular examples to illustrate phenomena, the design of formative and summative assessment items, and determination of whether instruction has fostered the development of abstract schemas divorced from particular instances. The goal of our study was to employ an experimental research design to quantify the degree to which situational features impact inferences about participants’ understanding of Mendelian genetics. Two participant samples from different educational levels and cultural backgrounds (high school, n = 480; university, n = 444; Germany and USA) were used to test for context effects. A multi-matrix test design was employed, and item packets differing in situational features (e.g., plant, animal, human, fictitious) were randomly distributed to participants in the two samples. Rasch analyses of participant scores from both samples produced good item fit, person reliability, and item reliability and indicated that the university sample displayed stronger performance on the items compared to the high school sample. We found, surprisingly, that in both samples, no significant differences in performance occurred among the animal, plant, and human item contexts, or between the fictitious and “real” item contexts. In the university sample, we were also able to test for differences in performance between genders, among ethnic groups, and by prior biology coursework. None of these factors had a meaningful impact upon performance or context effects. Thus some, but not all, types of genetics problem solving or item formats are impacted by situational features. 相似文献
32.
Performance during simultaneous matching-to-sample was assessed in pigeons presented with element and compound visual samples. In Experiment 1, pigeons were trained with a symbolic matching procedure, in which different pairs of colored comparison cues presented on side keys were mapped onto a bright or dim houselight as one pair of sample stimuli and onto vertical and horizontal lines on the center key as a second pair of sample stimuli. They were then tested with houselight-line compound samples. It was found that matching accuracy for lines was significantly diminished with compound samples relative to element samples. Conversely, house-light intensities were matched as well with compound samples as with element samples. In Experiment 2, a similar effect was found with pigeons that had been trained to match only line samples. In Experiment 3, it was discovered that sample duration had no influence on the matching deficit found with lines following compound samples in birds either trained or not trained to match houselight intensities. These results, taken in combination with recent findings from experiments with auditory-visual compounds, suggest a restricted processing account of pigeon processing of simultaneously presented stimuli from different sources. 相似文献
33.
Aeneas Rooch Philipp Junker Jörg Härterich Klaus Hackl 《European Journal of Engineering Education》2016,41(2):172-191
Too difficult, too abstract, too theoretical – many first-year engineering students complain about their mathematics courses. The project MathePraxis aims to resolve this disaffection. It links mathematical methods as they are taught in the first semesters with practical problems from engineering applications – and thereby shall give first-year engineering students a vivid and convincing impression of where they will need mathematics in their later working life. But since real applications usually require more than basic mathematics and first-year engineering students typically are not experienced with construction, mensuration and the use of engineering software, such an approach is hard to realise. In this article, we show that it is possible. We report on the implementation of MathePraxis at Ruhr-Universität Bochum. We describe the set-up and the implementation of a course on designing a mass damper which combines basic mathematical techniques with an impressive experiment. In an accompanying evaluation, we have examined the students' motivation relating to mathematics. This opens up new perspectives how to address the need for a more practically oriented mathematical education in engineering sciences. 相似文献
34.
Lou Ann S. Dickson Philipp S. Schrankel Raymond W. Kulhavy 《Instructional Science》1988,17(2):145-157
Two experiments were conducted which examined conjoint retention of spatial and verbal information in memory. The first experiment examined processing of text with simultaneous active dual coding. With spatial and verbal information from experiment one, the second experiment examined the effects of introducing dual coding prior to text processing and keyed recall to what was encoded prior to reading. Recall of both concrete features and events referring to these features was keyed to constructive encoding processes. Even minimal cueing produced better recall than no cues. Spatial primers produced not only better recall of features, but subjects who encoded spatial primers demonstrated increased ability to recall those primers. Results were interpretet in terms of dual coding theory for encoding and retrieval. 相似文献
35.
Third- and first-person perceptions (TPPs/FPPs) are considered to be biased judgments of media influence on self and others. Research suggests that perspective taking, i.e., thinking from another person’s position, decreases perceptual gaps between self and others via assimilation. In a two-factorial experiment (n = 431), we test whether this effect of perspective taking (Factor 1) holds true for the presumed influence of desirable and undesirable messages (Factor 2). Results indicate that perspective taking significantly reduces TPPs in the case of an undesirable message but not FPPs that are provoked by the desirable message. The observable effect traces back to a change in presumed message influence on the self. Presumed influence on others was independent of both factors, desirability of message influence and perspective taking. These findings are discussed in the light of cognitive and motivational explanations for FPPs/TPPs. 相似文献
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Joan A. Philipp 《Research quarterly for exercise and sport》2013,84(1):163-173
Abstract This study was undertaken to investigate relationships between various forms of creativity, and to determine whether the expression of motor creativity is related to selected motor skills. The tests administered to the 65 fourth grade subjects consisted of creative thinking tests, a motor creativity battery, and motor skill tests. The following conclusions were drawn: (a) the expression of motor creativity through movement is not related to performance on the selected motor skill items; (b) creativity does not appear to be a generalized trait in as much as significant relationships were not found between the various aspects of creativity; (c) a tendency toward generalization of creativity was found for girls but not for boys; (d) a combination of weight, figural fluency and figural originality accounts for a significant amount of the variability in motor creativity for boys, while a combination of figural and verbal creativity factors does the same for girls; (e) boys of this age perform significantly better than girls on skill tests involving strength, while girls excel on balance and agility items. 相似文献
39.
ABSTRACT The paper discusses and analyzes the coverage of scientific serials in Google Scholar (GS). The focus is on an exploratory study. The study shows deficiencies in the coverage and up-to-dateness of the GS index. Furthermore, the study points up which Web servers are the most important data providers for this search service and which information sources are highly represented. There is a relatively large gap in Google Scholar's coverage of German literature as well as weaknesses in the accessibility of Open Access content. 相似文献
40.
Philipp Knodel Kerstin Martens Dennis Niemann 《Globalisation, Societies & Education》2013,11(3):421-441
Education policy has undergone transformation in many countries over the last decade. In this article, we focus on the effects of the most significant international initiative in secondary education, which is the Organisation for Economic Co-operation and Development's (OECD) Programme for International Student Assessment (PISA). We analyse two countries that provide variation regarding the degree of change in their respective education policy-making due to this study; while Germany substantially reformed its education system in reaction to its mediocre PISA results, almost no change has been observed in England. As we show, alterations and shifts in ideas of education policy best account for such a change. 相似文献