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The effects of signaled reward were examined using DRL and DRH schedules of reinforcement. In each case, one group of rats received a brief cue between the reinforced response and the reward, and a second group received brief cues at random times. With the DRL schedule (Experiment 1), signaled reward decreased response rate, increased response efficiency (number of responses per reinforcer), and increased resistence to satiation relative to the control group. With the DRH schedule (Experiment 2), signaled reward increased response rate, efficiency, and resistance to satiation. These results refute an overshadowing explanation of the effects of signaled reward and suggest that food-correlated cues enhance learning of the reinforcement contingencies. 相似文献
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Roger Chevalier 《Performance Improvement》2010,49(7):5-7
Gap analysis is an important part of the performance improvement process that fits into the International Society for Performance Improvement's 10 Standards of Performance Technology, Standard 5. This article discusses the need to set a reasonable goal to motivate people to close the performance gap and provide a milestone for measuring progress as the gap is closed. It also provides insight into the need to identify performance trends that led to the current level of performance as we define the performance gap. 相似文献
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As in the first two parts of this series, Roger Addison and Carol Haig provide tools to help in the human performance side of work‐in this case, at the workplace/organization level. Improving performance at this level is driven by mapping the organization to show how it operates and aligns with the business environment. The authors offer the business logic model as one tool for creating an organizational map and provide suggestions for getting started. 相似文献
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This meta-analysis integrates 296 effect sizes reported in eye-tracking research on expertise differences in the comprehension of visualizations. Three theories were evaluated: Ericsson and Kintsch’s (Psychol Rev 102:211–245, 1995) theory of long-term working memory, Haider and Frensch’s (J Exp Psychol Learn Mem Cognit 25:172–190, 1999) information-reduction hypothesis, and the holistic model of image perception of Kundel et al. (Radiology 242:396–402, 2007). Eye movement and performance data were cumulated from 819 experts, 187 intermediates, and 893 novices. In support of the evaluated theories, experts, when compared with non-experts, had shorter fixation durations, more fixations on task-relevant areas, and fewer fixations on task-redundant areas; experts also had longer saccades and shorter times to first fixate relevant information, owing to superiority in parafoveal processing and selective attention allocation. Eye movements, reaction time, and performance accuracy were moderated by characteristics of visualization (dynamics, realism, dimensionality, modality, and text annotation), task (complexity, time-on-task, and task control), and domain (sports, medicine, transportation, other). These findings are discussed in terms of their implications for theories of visual expertise in professional domains and their significance for the design of learning environments. 相似文献
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