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71.
Douglas J. Davidson Rose T. Zacks Carrick C. Williams 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(2):85-98
We report two experiments that investigate practice effects on Stroop color-word interference in older and younger adults. Both experiments employed a computerized, single-item version of the Stroop task with a voice response, and both involved practice over hundreds of trials. Both experiments showed generally similar practice patterns, including a practice-related reduction in the size of the color-word interference effect. However, the older group continued to show a larger interference effect throughout practice. These findings indicate that older adults show the same trend in practice-related improvement on the Stroop task as younger adults. 相似文献
72.
A geometrical analysis of the unfolding model: General solutions 总被引:1,自引:0,他引:1
John Davidson 《Psychometrika》1973,38(3):305-336
Given the complete setR of rank orders obtained from any configuration ofn stimulus points inr dimensions in accordance with the unfolding model, a configuration from which just these orders may be derived will be described as a solution forR. The space is assumed to be Euclidean. Necessary and sufficient conditions are derived for a configuration to be a solution forR. The geometrical constraints which are necessary and sufficient to determine the subset of pairs of orders and opposites contained inR are also identified and constitute the constraint system for the ordinal vector model. The relationship between the two models is discussed. 相似文献
73.
Michael L. Davidson Mary-June Fox A. O. Dick 《Attention, perception & psychophysics》1973,14(1):110-116
A typical trial of this masking experiment involves, in quick succession, presentation of five letters, evocation of an eye movement, and presentation of a spatially localized mask, either a visual-pattern mask or a metacontrast ring. The effect of the mask is to sappress the report of the letter that stimulates the same retinal location, even though the mask appears to cover or surround the letter whose position in real space it shares. Masking is. however, weaker when the eyes move than when they do not. An auxiliary experiment suggests that the spatial aspects of observable (reportable by S) stimulus persistence are unaffected by eye movements, and therefore that observable persistence differs from that susceptible to masking. 相似文献
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75.
Haptic judgments of curvature by blind and sighted humans 总被引:1,自引:0,他引:1
P W Davidson 《Journal of experimental psychology. General》1972,93(1):43-55
76.
A rapid automatic technique for generating operant key-press behavior in rats 总被引:1,自引:1,他引:0 下载免费PDF全文
Experimentally naive rats were trained to key press on a fixed-ratio 10 schedule of food reinforcement by a completely automatic procedure within a single, 1-hr session. Control procedures demonstrated that the resulting behavior was an operant, under control of the schedule of reinforcement and the specified reinforcing stimulus (food). A simple, combination food-tray operandum, also described, was used as the basis for the training technique. 相似文献
77.
Psychology Internships in the Treatment of Severe Mental Illness: Implications for Training in Academic Medical Centers 总被引:2,自引:0,他引:2
Michael A. Hoge David Stayner Larry Davidson 《Journal of clinical psychology in medical settings》2000,7(4):213-222
Despite an increasing focus over the past 2 decades by federal and state governments on the care of persons with severe mental illness, psychologists remain underrepresented among behavioral health professionals working with this population. Within the discipline there is growing concern about the need to adequately train, recruit, and retain psychologists in this specialty. This is a particular concern in academic medical settings where the overall severity of illness among those receiving psychiatric services continues to increase. The purpose of this qualitative research study was to intensively examine the experience of predoctoral interns engaged in treating individuals with severe mental illness in an academic medical center in order to identify the professional developmental experiences and training needs of those learning to care for this population. This analysis, conducted with semistructured interviews at four points during the internship year, yielded a series of recommendations for improving internship training and recruiting psychologists to this specialty. 相似文献
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The effect of napping versus wakefulness was studied on primed and repeated Remote Associate Tests (RATs) and on divergent creativity tests. The participants were 42 students from the USA, studying international courses at a Swedish university. The hypotheses for the RATs were (1), when the correct answers were primed before the nap, the RAT should be solved better for those who entered REM sleep, compared to those with no REM sleep or a resting condition; and (2), when retested the RAT should be solved better after a nap than after rest. For the creativity tests, hypothesis (3) was that creativity should be higher after the nap than after rest. Hypothesis 1 and hypothesis 3 were not supported. Hypothesis 2 was supported in an ANOVA. The REM group improved more than the rest group on the repeated RAT. Also, the No-REM and rest groups differed, strengthening the importance of both REM and No-REM sleep for creative problem-solving. 相似文献