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Stimulus Equivalence: Effects Of A Default-response Option On Emergence Of Untrained Stimulus Relations 总被引:6,自引:6,他引:0
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Innis A Lane S Miller E Critchfield T 《Journal of the experimental analysis of behavior》1998,70(1):87-102
Human subjects were exposed to a concurrent-chains schedule in which reinforcer amounts, delays, or both were varied in the terminal links, and consummatory responses were required to receive points that were later exchangeable for money. Two independent variable-interval 30-s schedules were in effect during the initial links, and delay periods were defined by fixed-time schedules. In Experiment 1, subjects were exposed to three different pairs of reinforcer amounts and delays, and sensitivity to reinforcer amount and delay was determined based on the generalized matching law. The relative responding (choice) of most subjects was more sensitive to reinforcer amount than to reinforcer delay. In Experiment 2, subjects chose between immediate smaller reinforcers and delayed larger reinforcers in five conditions with and without timeout periods that followed a shorter delay, in which reinforcer amounts and delays were combined to make different predictions based on local reinforcement density (i.e., points per delay) or overall reinforcement density (i.e., points per total time). In most conditions, subjects' choices were qualitatively in accord with the predictions from the overall reinforcement density calculated by the ratio of reinforcer amount and total time. Therefore, the overall reinforcement density appears to influence the preference of humans in the present self-control choice situation. 相似文献
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The Psychological Record - Previous studies have shown that conditional discrimination training procedures involving identity matching to complex samples can produce emergent arbitrary relations.... 相似文献
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The Psychological Record - Four adults participated in an experiment designed to study how the duration of an interval free from provocation, following aggressive responding, affected the... 相似文献
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William Lane Craig 《International Journal for Philosophy of Religion》1986,20(2-3):65-91
Conclusion In conclusion, then, the notion of temporal necessity is certainly queer and perhaps a misnomer. It really has little to do with temporality per se and everything to do with counterfactual openness or closedness. We have seen that the future is as unalterable as the past, but that this purely logical truth is not antithetical to freedom or contingency. Moreover, we have found certain past facts are counterfactually open in that were future events or actualities to be other than they will be, these past facts would have been different as a consequence. God's beliefs about the future are such past facts. Moreover, the effects of actions which God would have taken had He believed differently are also such past facts. Oddly enough, then, virtually any past fact is potentially counterfactually open, and the only necessity that remains is purely de facto. We, of course, do not in general know which events of the past depend counterfactually on present actions, and those cases we do know about seem rather trivial. Our intuitions of the necessity, unalterability, and unpreventability of the past as opposed to the future stem from the impossibility of backward causation, which is precluded by the dynamic nature of time and becoming. But the counterfactual dependence of God's beliefs on future events or actualities is not a case of backward causation: rather future-tense propositions are true in virtue of what will happen, given a view of truth as correspondence, and God simply has the essential property of knowing all and only true propositions. With regard to the future, virtually all facts are counterfactually open, and therefore future-tense propositions are not temporally necessary. Propositions thus move from being temporally contingent to being temporally necessary when all the opportunities to affect things counterfactually have slipped by. Hence, the mere fact that an event is past is no indication that it is counterfactually closed. This is especially evident in the case of God's foreknowledge. If we say that God foreknows that I shall do x and therefore I cannot refrain from doing x, lest I change God's past foreknowledge, we are being deceived by a modality which has nothing to do with my power or freedom. All that is impossible is the conjunction of God's foreknowledge that p and of ~ p; but this modality in sensu composito has no bearing on my ability to act such that ~ p would be true and God would have foreknown differently. Temporal necessity, then, turns out to be only obliquely temporal and modally weak, certainly no threat to freedom or divine foreknowledge. 相似文献
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Silvia T. Maurer Lane 《International journal of psychology》1973,8(2):147-152
Une adaptation en portugais des échelles du Différenciateur Sémantique a été réalisée d'après les études pan-culturelles d'Osgood. l'analyse factorielle des réponses de zoo sujets fait apparaître sept facteurs. Les trois premiers correspondent aux facteurs “universels”: Valeur - Puissance - Activité. Quatre autres des facteurs extraits présentent des ressemblances avec les facteurs universels: Mouvement (Activité) - Complexité (Activité) - Dimension (Puissance) -Pragmatisme (Valeur). Les adjectifs et leurs contraires qui sont utilisés dans ce type d'échelles posent des problèmes: l'auteur discute de la signification conceptuelle des dimensions de l'espace sémantique et conclut à la nécessité de recherches spécifiques dans ce domaine. 相似文献
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