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In two experiments, participants made inferences from weather maps, before and after they received instruction about relevant meteorological principles. Different versions of the maps showed either task-relevant information alone, or both task-relevant and task-irrelevant information. Participants improved on the inference task after instruction, indicating that they could apply newly acquired declarative knowledge to make inferences from graphics. In Experiment 1, participants spent more time viewing task-relevant information and less time viewing task-irrelevant information after instruction, and in Experiment 2, the presence of task-irrelevant information impaired performance. These results show that domain knowledge can affect information selection and encoding from complex graphics as well as processes of interpreting and making inferences from the encoded information. They also provide validation of one principle for the design of effective graphical displays, namely that graphics should not display more information than is required for the task at hand. 相似文献
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There is much disagreement in the literature over the extent to which graduates are mismatched in the labour market and the reasons for this. In this paper we utilise the Flexible Professional in the Knowledge Society (REFLEX) data set to cast light on these issues, based on data for UK graduates. We find substantial pay penalties for overeducation for both sexes and for overskilling in the case of men only. When both education and skill mismatch variables are included together in the model only overskilling reduces job satisfaction consistently for both sexes. Using job attributes data it appears that the lower wages of the overqualified may in part simply represent a compensating wage differential for positive job attributes, while for men at least there are real costs to being overskilled. 相似文献
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90.4% of the 1977 entrants to concurrent general Teacher Education courses in Ireland North and South responded to a demographic questionnaire. The results are analysed and the two regions contrasted with respect to personal, professional and geographical variables. These indicate that some interesting differences exist but that there are many overall similarities. 相似文献
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Nigel Oseland Robert Collins John Hegarty 《British journal of educational technology : journal of the Council for Educational Technology》1990,21(3):203-214
The authors argue that there is a need for a microcomputer software authoring package which produces graphics. The novel feature of the Graphics Authoring Package (GAP) which they developed is that it produces Basic code from the user's graphical input. GAP is described together with the results of an evaluation study. The results indicate that the package is easy to use, effective in rapidly producing graphics code and that, in general, it fills a gap in the current range of educational software. 相似文献
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In February of 2011, an earthquake destroyed the only all-weather athletics facility in the city of Christchurch, New Zealand. The all-weather track has yet to be replaced, and so since the loss of the track, local Christchurch athletes have only had a grass track for training and preparation for championship events. The present study considers what effect the loss of the training facility has had on the performance of athletes from Christchurch at national championship events. Not surprisingly, the study finds that there has been a deterioration in the performance in events that are heavily dependent upon the all-weather surface. However, somewhat more surprisingly, the loss of the track appears to have caused a significant improvement in the performance of Christchurch athletes in events that, while on the standard athletics programme, are not heavily dependent on track surface. 相似文献
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Ann Aspinall & John R. Hegarty 《British journal of educational technology : journal of the Council for Educational Technology》2001,32(3):365-372
Microcomputers have recognised value for people with learning disability (mental retardation) and their use has been a feature of many service settings since the 1980s. Recent technological advances, such as the modern and powerful personal computers with multimedia capability and the Internet, have, however, not yet been widely adopted in day and residential services. The implications of these developments for service planning and management are not fully understood. A survey of microcomputer use for adults with learning disability within The Home Farm Trust, a UK national organisation for people with learning disability was carried out in the light of a planned organisation-wide initiative to introduce modern information and communications technology (ICT) to service users. Results show that there had been a limited provision of computers within the organisation and that staffing and support for the introduction of new ICT were not fully in place. The findings are discussed in the light of research on the organisational requirements for effective ICT use. These requirements were built into the planning of a major initiative to equip the organisation with new ICT for its service users. Future research should lead to simple audit procedures to aid organisations develop effective ICT use. 相似文献
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Seamus Hegarty 《Prospects》1995,25(2):175-179
Director of the National Foundation for Educational Research in England and Wales. He has conducted extensive studies on provision
for pupils with special needs in ordinary schools and has published widely on the topic. He edits theEuropean journal of special needs education and Educational research. He has conducted numerous consultancies for national governments and for intergovernmental agencies, including UNESCO. 相似文献
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A new spatial ability test was administered online to 223 undergraduate students enrolled in introductory science courses. The 30-item multiple choice test measures individual differences in ability to identify the two-dimensional cross section of a three-dimensional geometric solid, a skill that has been identified as important in science, technology, engineering and mathematics (STEM) fields. Bivariate and partial correlations suggest that the test measures a skill that is distinct from three-dimensional mental rotation and change in view perspective. Test items varied along two scales: complexity of the geometric solid to be sliced and orientation of the cutting plane. Internal reliability of both the overall test and its subscales was satisfactory. Performance was higher on figures cut by orthogonal, rather than oblique, planes. Patterns of performance across more and less complex items, and patterns of sex differences on these items, suggest that items on the test are differentially amenable to imagistic and analytic strategies, with males outperforming females on items that are less amenable to analytic strategies. The test shows promise for online administration and for adaptation to younger populations. 相似文献