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131.
Saleh A. Al-Abood Keith Davids Simon J. Bennett Derek Ashford Manuel Martinez Marin 《Journal of sports sciences》2013,31(7):507-520
In the visual perception perspective of observational learning, the manipulation of relative and absolute motion information in visual demonstrations optimally directs learners’ search towards appropriate task solutions. We assessed the effect of emphasizing transformational information and removal of structural information using point-light kinematic displays in approximating the model’s relative motion patterns. Participants viewed computer-simulated point-light demonstrations or normal video demonstrations before and intermittently throughout 100 acquisition trials with knowledge of results on an underarm modified-dart aiming task. On the next day, all participants performed 20 retention trials without demonstrations. The kinematics of spatial and temporal coordination and control variables were examined relative to the model’s action, as well as performance scores. The results indicated that approximation of the model’s spatial and temporal coordination and control patterns was achieved after observation of either type of demonstrations. No differences were found in movement outcomes. In a second experiment, the effects of manipulating absolute motion information by slowmotion demonstrations were examined relative to real-time demonstrations. Real-time demonstrations led to a closer approximation to the model’s spatial and temporal coordination patterns and better outcome scores, contradicting predictions that slow-motion displays convey intact relative motion information. We speculate that the effect of visual demonstration speed on action perception and reproduction is a function of task constraints ‐ that is, novelty or familiarity of relative motion of demonstrated activities. 相似文献
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134.
Derek C. Briggs 《教育实用测度》2013,26(2):89-118
Correlational evidence suggests that high school GPA is better than admission test scores in predicting first-year college GPA, although test scores have incremental predictive validity. The usefulness of a selection variable in making admission decisions depends in part on its predictive validity, but also on institutions’ selectivity and definition of success. Analyses of data from 192 institutions suggest that high school GPA is more useful than admission test scores in situations involving low selectivity in admissions and minimal to average academic performance in college. In contrast, test scores are more useful than high school GPA in situations involving high selectivity and high academic performance. In nearly all contexts, test scores have incremental usefulness beyond high school GPA. Moreover, high school GPA by test score interactions are important in predicting academic success. 相似文献
135.
Derek Cheung 《International Journal of Science Education》2013,35(16):2185-2203
Students’ attitudes toward chemistry lessons in school are important dependent variables in curriculum evaluation. Although a variety of instruments have been developed by researchers to evaluate student attitudes, they are plagued with problems such as the lack of theoretical rationale and of empirical evidence to support the construct validity of data. This paper describes a study of students’ attitudes toward chemistry lessons in Hong Kong secondary schools. One of the scales in the Test of Science‐Related Attitudes developed by Fraser was modified to form an Attitude Toward Chemistry Lessons Scale (ATCLS). The construction of the ATCLS was based on a theoretical model with four dimensions: liking for chemistry theory lessons, liking for chemistry laboratory work, evaluative beliefs about school chemistry, and behavioural tendencies to learn chemistry. The arguments for inclusion of these four dimensions are presented. The final version of ATCLS was administered to 954 students. The results of confirmatory factor analysis indicated that there was a good fit between the hypothesised model and the observed data. 相似文献
136.
Derek Hodson 《International Journal of Science Education》2013,35(5):529-540
The contemporary school science curriculum may be regarded as the end‐product of a smooth evolutionary process or as the outcome of a series of decisions made by powerful individuals. The latter view is taken here and an attempt is made to interpret those decisions in terms of the vested interests of the decision makers. Attention is drawn to the need to scrutinize all proposals for science curriculum reform for underlying socio‐political motivation. 相似文献
137.
Derek C. Briggs 《Journal of Educational Measurement》2013,50(2):204-226
A vertical score scale is needed to measure growth across multiple tests in terms of absolute changes in magnitude. Since the warrant for subsequent growth interpretations depends upon the assumption that the scale has interval properties, the validation of a vertical scale would seem to require methods for distinguishing interval scales from ordinal scales. In taking up this issue, two different perspectives on educational measurement are contrasted: a metaphorical perspective and a classical perspective. Although the metaphorical perspective is more predominant, at present it provides no objective methods whereby the properties of a vertical scale can be validated. In contrast, when taking a classical perspective, the axioms of additive conjoint measurement can be used to test the hypothesis that the latent variable underlying a vertical scale is quantitative (supporting ratio or interval properties) rather than merely qualitative (supporting ordinal or nominal properties). The application of such an approach is illustrated with both a hypothetical example and by drawing upon recent research that has been conducted on the Lexile scale for reading comprehension. 相似文献
138.
The authors examined the relations between academic cheating and impulsivity in a large sample of adolescents enrolled in high school health education classes. Results indicated that impulsivity predicts academic cheating for students who report extensive involvement in cheating. However, students who engage in extensive cheating are less likely to report cheating when they perceive a mastery goal structure. In addition, both moderate and extensive cheaters report less cheating when they perceive the teacher as being credible. 相似文献
139.
Derek Vidler 《Journal of Experimental Education》2013,81(2):79-85
Interrelationships between two motivational variables, test-anxiety and curiosity, and two cognitive variables, convergent and divergent thinking were tested using the measures of convergent and divergent thinking of J. P. Guilford and two self-report true-false scales of test-anxiety and curiosity. Ss were 212 undergraduates, 175 female and thirty-seven male. Based on findings and implications from earlier research, negative relationships of convergent and divergent thinking with test-anxiety, and positive relationships with curiosity were predicted. All correlations for the total group were found to be significant at the .05 level, those with anxiety higher than those with curiosity. Thus, there was support for the view that test-anxiety is negatively related and curiosity positively related to both convergent and divergent thinking. The results were discussed in terms of previous research, and educational implications. 相似文献
140.