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排序方式: 共有198条查询结果,搜索用时 15 毫秒
1.
Nonparametric post hoc comparisons for trend 总被引:1,自引:0,他引:1
2.
Andre Kukla 《国际科学哲学研究》1995,9(1):59-71
What should we do when we discover that our assessment of probabilities is incoherent? I explore the hypothesis that there is a logic of incoherence—a set of universally valid rules that specify how incoherent probability assessments are to be repaired. I examine a pair of candidate‐rules of incoherence logic that have been employed in philosophical reconstructions of scientific arguments. Despite their intuitive plausibility, both rules turn out to be invalid. There are presently no viable candidate‐rules for an incoherence logic on the table. Other ways of dealing with incoherence are surveyed, and found either to be unsatisfactory or to rely on a logic of incoherence in the end. The resolution of these antagonistic conclusions is left to future researchers. 相似文献
3.
Jeffrey T. Andre Richard A. Tyrrell Herschel W. Leibowitz Mary E. Nicholson Minqi Wang 《Attention, perception & psychophysics》1994,56(3):261-267
Contrast sensitivity was measured for 12 healthy young males while sober, after ingestion of an alcohol placebo, and after ingestion of alcohol (95% grain alcohol; mean estimated blood alcohol level = .088%). Observations were made for both stationary gratings and gratings that traveled through a circular path and required pursuit eye movements. The significant alcohol-related reduction in contrast sensitivity was 2.6 times greater for moving (.29-log-unit reduction) than for stationary gratings (.11-log-unit reduction). The loss in contrast sensitivity for the moving gratings of high spatial frequency (12 cpd) was particularly severe (.37 log unit). Estimated blood alcohol level was correlated with the loss in contrast sensitivity for moving gratings (r = .61), but not with the loss for stationary gratings. Estimated blood alcohol level was strongly correlated with the difference between the loss in contrast sensitivity to moving and stationary gratings (r = .75). These results are consistent with reports that alcohol consumption degrades the ability to make pursuit eye movements. Subjects’ perceived intoxication level was not a reliable predictor of any index of visual performance. 相似文献
4.
Within-session Changes In Responding During Concurrent Variable-interval Schedules 总被引:3,自引:3,他引:0
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McSweeney F Weatherly J Swindell S 《Journal of the experimental analysis of behavior》1996,66(1):75-95
Five rats and 4 pigeons responded for food delivered by several concurrent variable-interval schedules. The sum of the rates of reinforcement programmed for the two components varied from 15 to 480 reinforcers per hour in different conditions. Rates of responding usually changed within the experimental session in a similar manner for the two components of each concurrent schedule. The within-session changes were similar to previously reported changes during simple schedules that provided rates of reinforcement equal to the sum of all reinforcers obtained from the concurrent schedules. The number of changeovers also changed within sessions in a manner similar to the changes in instrumental responding. These results suggest that changeovers are governed by the same variables that govern instrumental responding. They also suggest that the within-session change in responding during each component of a concurrent schedule is determined by approximately the sum of the reinforcers obtained from both components when both components provide the same type of reinforcer. 相似文献
5.
Contrast and undermatching as a function of reinforcer duration and quality during multiple schedules 总被引:1,自引:1,他引:0
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Ettinger RH McSweeney FK Norman WD 《Journal of the experimental analysis of behavior》1981,35(3):271-282
Eight pigeons pecked keys under multiple variable-interval two-minute variable-interval two-minute schedules. In Experiment 1, the reinforcers were 2, 4, or 8 seconds access to a food magazine. In Experiments 2 and 3, the reinforcers were grains that had been determined to be most-, moderately-, or non-preferred. Both positive and negative behavioral contrast occurred when the reinforcers in one component were held constant and the duration or type of reinforcer obtained in the other component varied. Undermatching occurred when the relative rate of responding during a component was plotted as a function of the relative duration of the reinforcers in that component. 相似文献
6.
Andre De Vries 《Theoretical medicine and bioethics》1982,3(1):115-120
Recently, the attitude and performance of the physician have been questioned and new codes of medical ethics have been introduced. Any ethics proposed for the future is a scenario reflecting the composer's selectivity. Envisaged ethics of truthful, non-paternalistic, responsible physician-patient interaction will have far-reaching implications for autopsy, euthanasia, abortion, suicide, genetic engineering, transplantation, clinical trials, status of the psychiatric patient, physician immunity and liability. Conflicts between personal and societal medical ethics may continue to be insoluble. A possible projection of the physician's ethics on that of the politician is discussed. A new medical ethics should encompass principles of different creeds and be supranational. 相似文献
7.
Lena Knappert Hans van Dijk Shuai Yuan Yuval Engel Jan-Willem van Prooijen Andre Krouwel 《Political psychology》2021,42(3):423-442
Politicians are influential both in directing policies about refugees and in framing public discourse about them. However, unlike other host country residents, politicians' attitudes towards refugees and integration are remarkably understudied. We therefore examine similarities and differences between politicians' attitudes towards refugee integration and those held by citizens. Based on the stereotype content model, we expect that political ideology informs stereotypes about refugees, which subsequently shape attitudes towards refugee integration. Based on the Contact Hypothesis, we further argue that personal contact with refugees reduces negative stereotypes about them—in particular for those endorsing a right-wing ideology. We draw on data collected via two surveys with 905 politicians and 8013 citizens in the Netherlands to show that (1) unlike those with a left-wing orientation, residents (i.e., both politicians and citizens) with a right-wing orientation hold more negative stereotypes about refugees, which in turn relate to more negative attitudes towards refugee integration; (2) personal contact with refugees is associated with less negative stereotypes among residents; and (3) politicians, compared to citizens, report less negative stereotypes and more positive attitudes towards refugee integration. The practical implication of fostering residents' contact with refugees as well as the implications for future research are discussed. 相似文献
8.
Debra A. Pinals Ayorkor Gaba Paige M. Shaffer Michael A. Andre David A. Smelson 《Behavioral sciences & the law》2021,39(1):44-64
The risk–need–responsivity (RNR) model suggests several key practices for justice‐involved populations under correctional supervision. Behavioral health treatment planning aligned with RNR principles for offender populations with co‐occurring mental health and substance use disorders (CODs) could be one method for integrating RNR into clinical care. To explore a unique approach to working with behavioral health and RNR principles, the authors implemented a mixed‐methods feasibility study of the acceptability, usability, and utility of a newly developed RNR treatment planning support tool (RNR TST). The tool was implemented in a re‐entry program serving adults with co‐occurring mental health and opioid use disorders. Chart reviews of RNR TSTs (N = 55) and a focus group (N = 14 re‐entry clinical staff) were conducted. Ninety‐six percent of the RNR TSTs incorporated the use of a validated risk–need assessment and 70% of the RNR TSTs were semi‐complete to complete. Focus group interviews highlighted behavioral health staff perspectives on the acceptability, usability, and utility of the RNR TST. This novel RNR TST has the potential to assist behavioral health providers in integrating RNR principles into treatment planning. Further development and testing are needed to determine its impact on client care and outcomes. 相似文献
9.
Andre P. Audette Mark Brockway Rodrigo Castro Cornejo 《Journal for the scientific study of religion》2020,59(1):101-118
To what extent has the growth of Evangelicalism in Latin America contributed to political participation across the region? A number of scholars of religion and politics in the United States have suggested that Evangelicalism promotes the development of civic skills necessary for political engagement, while the Catholic Church, due to its hierarchical structure, provides fewer opportunities for skill acquisition. In this paper, we apply this debate to Latin America to test whether civic skills developed in Catholic and Protestant church activities lead to differential participation rates in 18 countries. We utilize the 2014 Pew Religion in Latin America survey to test these effects, and find that Protestant churches do indeed promote skill-developing activities at higher rates, but that Catholics, when involved, are more likely to translate this religious participation into political action. We conclude that political scientists must better understand the organizational role of religion in promoting political engagement worldwide. 相似文献
10.
Philosophical Studies - A basic way of evaluating metaphysical theories is to ask whether they give satisfying (not necessarily truthful!) answers to the questions they set out to resolve. I... 相似文献