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151.
Larson LD Schnelle JF Kirchner R Carr AF Domash M Risley TR 《Journal of applied behavior analysis》1980,13(4):571-581
Tachograph recorders were installed in 224 vehicles of a metropolitan police department to monitor vehicle operation in an attempt to reduce the rate of accidents. Police sergeants reviewed each tachograph chart and provided feedback to officers regarding their driving performance. Reliability checks and additional feedback procedures were implemented so that upper level supervisors monitored and controlled the performance of field sergeants. The tachograph intervention and components of the feedback system nearly eliminated personal injury accidents and sharply reduced accidents caused by officer negligence. A cost-benefit analysis revealed that the savings in vehicle repair and injury claims outweighed the equipment and operating costs. 相似文献
152.
Ron Van Houten Ahmos Rolider Paul A. Nau Robert Friedman Moshe Becker Ismar Chalodovsky Moshe Scherer 《Journal of applied behavior analysis》1985,18(1):87-93
We assessed the effects of posted feedback and warning ticket programs on speeding and accidents in two cities. In Experiment 1, speeding feedback signs were effective even when 10 were used in Dartmouth, Nova Scotia, and reductions in speeding were associated with reductions in accidents. The effectiveness of the signs was correlated with the number of intersections and residences within 0.5 km beyond them, and the signs had no effect on untreated streets. In Experiment 2, posted feedback and a warning program reduced speeding and accidents on 14 streets in Haifa, Israel. 相似文献
153.
Two experiments were conducted that examined the motivational and informational perspectives concerning learning advantages from self-controlled practice. Three groups were tasked with learning a novel skill; self-controlled (SC), yoked traditional (YT), and yoked with error estimation required during the acquisition phase (YE). Results from the delayed learning measures showed the YE group performed better than the SC and YT groups, for Expt. 1. A similar pattern emerged for Expt. 2, albeit, this was not significant. While there were no motivation differences across the groups in either experiment, a strong correlation in Expt. 2 was shown between error estimation capabilities, which were best for the YE group, and learning. These combined results suggest that informational processes contribute more to the self-controlled feedback learning advantage, relative to motivational contributions. 相似文献
154.
Earlier studies addressed the effects of feedback frequency on movement accuracy and consistency. The authors additionally addressed the effects on motor automatization. High error feedback frequencies may induce attentional control processes and impede motor automatization. In a pre-post design, 42 participants were assigned to 2 groups with different feedback frequencies and practiced an arm movement sequence with 760 trials in 5 sessions. The 100% group practiced with feedback on 3 movement reversals of the sequence after each trial. The 14% group practiced with 14% frequency according to a fading schedule. Only the 14% group showed a decrease in dual-task costs indicating an increase in automaticity. Group differences in movement accuracy and consistency were not evident. 相似文献
155.
Michael E.J. Reding Karen Guan Jennifer Regan Lawrence A. Palinkas Anna S. Lau Bruce F. Chorpita 《Cognitive and behavioral practice》2018,25(2):185-198
This study examined 133 service providers’ perspectives on a rapid shift to mandated evidence-based treatment delivery, utilizing an inductive coding process to capture themes present in their qualitative feedback. The majority of provider comments were negatively valenced, but attitudes varied considerably across response categories: comments regarding practice context and support were nearly uniformly negative, while comments regarding treatment fit and therapeutic consequences were more balanced. Treatment fit was the most commonly cited category; the fit to therapist (e.g., ease of use) subcategory was predominantly positive in contrast with the fit to client (e.g., flexibility) subcategory, which was predominantly negative. Results illustrate the intended and unintended consequences of large-scale implementation efforts on community providers, and may aid implementation researchers and system decision makers optimize the conditions under which community providers are asked to implement evidence-based treatment. 相似文献
156.
157.
基于机体反馈调控保护扭转肿瘤治疗思路 总被引:1,自引:1,他引:0
马原野 《医学与哲学(人文社会医学版)》2011,(3):18-19
肿瘤的临床治疗经过漫长积极探索研究,中西医疗效均未取得成就性突破,本文穿越时空隧道,基于人类亿万年适应环境生存生物进化历程形成的精细反馈调控保护视角,循证机体实施反馈调控保护顽强延续生命依据,结合肿瘤病理生理机制,剖析肿瘤形成原因,追溯肿瘤临床治疗误区,扭转肿瘤治疗思路,引领肿瘤治疗新路径。 相似文献
158.
《Quarterly journal of experimental psychology (2006)》2013,66(1):15-22
Near-threshold prime stimuli can facilitate or hinder responses to target stimuli, creating either a positive compatibility effect (PCE) or a negative compatibility effect (NCE). An asymmetry has been reported between primes presented in near periphery, which produced a PCE, and foveal primes, which produced an NCE under comparable conditions. This asymmetry has been attributed to the difference in retinal sensitivity, but it remains unclear whether this means that equating discrimination performance for primes in fovea and periphery, in order to account for differences in perceptual sensitivity, would make the priming effects the same. Wider work indicates that perceptual ability can dissociate from visuomotor effects, predicting that equating perceptual ability for fovea and periphery would not equate priming. We tested these opposite possibilities by matching discrimination performance for masked Gabor patches in fovea and near periphery (6°) and using these as primes in a masked priming paradigm expected to elicit NCEs. We found the asymmetry remained: NCE for fovea and PCE for periphery. We replicated this with both blocked and randomized procedures to check for attentional effects. We conclude that equating perceptual strength (discriminability) of stimuli does not equate their sensorimotor impact due to differences in the relative importance of different visual pathways and differing temporal dynamics in perceptual and sensorimotor processes. 相似文献
159.
Human performance on negative slope schedules of points exchangeable for money: a failure of molar maximization 下载免费PDF全文
Panel pressing was generated and maintained in 5 adult humans by schedules of points exchangeable for money. Following exposure to a variable-interval 30-s schedule and to a linear variable-interval 30-s schedule (which permitted points to accumulate in an unseen "store" in the absence of responding), subjects were exposed to a series of conditions with a point-subtraction contingency arranged conjointly with the linear variable-interval schedule. Specifically, points were added to the store according to the linear-variable interval 30-s schedule and were subtracted from the store according to a ratio schedule. Ratio value varied across conditions and was determined individually for each subject such that the subtraction contingency would result in an approximately 50% reduction in the rate of point delivery. Conditions that included the subtraction contingency were termed negative slope schedules because the feedback functions were negatively sloped across all response rates greater than the inverse of the variable-interval schedule, in this case, two per minute. Overall response rates varied inversely with the subtraction ratio, indicating sensitivity to the negative slope conditions, but were in excess of that required by accounts based on strict maximization of overall reinforcement rate. Performance was also not well described by a matching-based account. Detailed analyses of response patterning revealed a consistent two-state pattern in which bursts of high-rate responding alternated with periods of prolonged pausing, perhaps reflecting the joint influence of local and overall reinforcement rates. 相似文献
160.
People often seek out and retain positive information about themselves via self-enhancement processes. Under other circumstances, they seek out and retain self-confirmatory information via self-verification processes. Research on both of these self-evaluation processes has been based heavily on domains such as social skills, in which people have a large database of prior information that presumably influences the way in which incoming self-relevant information is interpreted. In the present research, participants were asked to evaluate themselves on a set of imaginary "pseudotraits" to investigate how self-esteem influences the self-evaluation process when prior information is unavailable. Participants who had been identified through pre-testing as either high or low in self-esteem received false feedback on five pseudotraits (e.g., "casortic"), after which they evaluated the favorability of this feedback. High self-esteem participants tended to view their feedback as favorable, whereas low self-esteem participants did not. 相似文献