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71.
Lindsay?S.?Ham Sherry?H.?StewartEmail author Peter?J.?Norton Debra?A.?Hope 《Journal of psychopathology and behavioral assessment》2005,27(3):141-158
The current set of studies compared the psychometric properties of the original Comprehensive Effects of Alcohol Questionnaire (CEOA) to a 15-item version (B-CEOA) in a nonclinical undergraduate sample (N = 581), and attempted to replicate and extend the B-CEOA findings in an undergraduate sample referred to an alcohol intervention (N = 734). Psychometric assessment included construct validity, internal consistency, and concurrent validity, using both positive and negative expectancy items in all analyses. Results provided further support for the empirical validity of the original CEOA, and provided support for the use of the B-CEOA despite the reduction in the number of items. The B-CEOA factor structures obtained using exploratory and confirmatory techniques provided support for a 4-factor structure of expectancies and 3-factor structure of valuations. Findings reveal potential problems with positive and negative expectancy items. Trade-offs regarding factor structure, internal consistency, and administration time should be considered in using the B-CEOA vs. the CEOA. 相似文献
72.
Church RM 《Journal of the experimental analysis of behavior》1999,71(2):253-301
Scalar timing theory is a clear, complete, modular, and precise theory of timing that explains much of the data from many timing procedures, but not all of the data from all of the procedures. The multiple-time-scale theory of timing provides an alternative representation of time that has not yet been tested with respect to its fit to timing data. 相似文献
73.
Five pigeons were trained in a concurrent foraging procedure in which reinforcers were occasionally available after fixed times in two discriminated patches. In Part 1 of the experiment, the fixed times summed to 10 s, and were individually varied between 1 and 9 s over five conditions, with the probability of a reinforcer being delivered at the fixed times always .5. In Part 2, both fixed times were 5 s, and the probabilities of food delivery were varied over conditions, always summing to 1.0. In Parts 3 and 4, one fixed time was kept constant (Part 3, 3 s; Part 4, 7 s) while the other fixed time was varied from 1 s to 15 s. Median residence times in both patches increased with increases in the food-arrival times in either patch, but increased considerably more strongly in the patch in which the arrival time was increased. However, when arrival times were very different in the two patches, residence time in the longer arrival-time patch often decreased. Patch residence also increased with increasing probability of reinforcement, but again tended to fall when one probability was much larger than the other. A detailed analysis of residence times showed that these comprised two distributions, one around a shorter mode that remained constant with changes in arrival times, and one around a longer mode that monotonically increased with increasing arrival time. The frequency of shorter residence times appeared to be controlled by the probability of, and arrival time of, reinforcers in the alternative patch. The frequency of longer residence times was controlled directly by the arrival time of reinforcers in a patch, but not by the probability of reinforcers in a patch. The environmental variables that control both staying in a patch and exiting from a patch need to be understood in the study both of timing processes and of foraging. 相似文献
74.
Peter R. Killeen J. Gregor Fetterman 《Journal of the experimental analysis of behavior》1993,59(2):411-422
Gibbon and Church (1990, 1992) have recently confirmed an important, parameter-free prediction of the behavioral theory of timing (Killeen & Fetterman, 1988): The times of exiting from a bout of activity are positively correlated with the times of entrance to it. The correlations were slightly less than predicted, however, and the correlations between the start of an activity and the time spent engaged in that activity were negative, rather than zero. We adapted their serial model as an augmented (one-parameter) version of the behavioral theory, positing a lag between the receipt of a pulse from the pacemaker and transition into the next class of responses. The augmented version of the behavioral theory further improved the correspondence between the theory and the correlational data reported by Gibbon and Church. It also accounts for previously unpublished data from our laboratory derived from a new timing technique, the “peak choice” procedure. We show that the measured variance of movement times from one key to another closely approximates the estimated variance of transition times recovered from fits of the augmented model to the data. Such correspondence both attests to the correct identification of this source of variance and suggests ways to remove it, both from behavior and from our models of behavior. 相似文献
75.
酒精摄入可能使个体的社会行为变得极端和更具破坏性。酒精近视理论和酒精期望理论分别从酒精摄入对个体信息加工能力的限制和个体对饮酒结果的期望角度解释酒精与个体社会行为改变的关系。双重加工模型借鉴命题加工和联想加工相互作用的观点将上述两模型进行整合。未来的研究应根据双重加工模型更全面地解释酒精与个体社会行为的关系, 探讨个体社会行为随酒精浓度的变化趋势, 并结合脑成像技术对酒精影响个体社会行为的机制进行探讨。 相似文献
76.
Verena Ly 《Behaviour research and therapy》2009,47(10):840-847
Fear conditioning studies have shown that social anxiety is associated with enhanced expectancy of aversive outcome. However, the relation between cognitive expectancy and social anxiety has never been tested in avoidance conditioning paradigms. We compared 48 low (LSA) and high socially anxious individuals (HSA) on subjective expectancy of aversive outcome during an avoidance conditioning task. Displays of neutral faces were coupled with an aversive outcome (US): a shout and a shock. Participants could avoid the US by pressing a correct button from a button box. First, HSA showed higher US expectancy than LSA during the initial phase of avoidance conditioning, supporting the view that socially anxious individuals have an expectancy bias when social situations are ambiguous. Second, when the avoidance response became unavailable, LSA showed lower US expectancy than HSA, suggesting that low socially anxious individuals are prone to a positive bias when perceived threat is high. A lack of such positive bias in socially anxious individuals may lead to higher susceptibility to safety behavior interpretations. Together, these findings support the role of cognitive processes in avoidance conditioning and underscore the relevance to encounter avoidance learning when studying social anxiety. 相似文献
77.
Nigel Barber 《Journal of Happiness Studies》2009,10(2):149-159
Countries with better health, as indexed by life expectancy, score higher on subjective well-being (SWB). It was predicted
that deviations from the average sex difference in life expectancy (reflecting reproductive competition among males and discrimination
against females) would be inversely related to happiness. Regression analysis of SWB for 178 countries found that deviations
from the average sex difference in life expectancy were predictive of unhappiness controlling for life expectancy, national
wealth, and income inequality. Countries with a relative scarcity of female children (used as an index of parental bias) were
less happy. Societies in which there is an undue burden on the health and survival of either sex are thus unhappy ones due
to gender-specific disadvantage and associated gender conflict. 相似文献
78.
79.
国外教师期望研究综述 总被引:5,自引:0,他引:5
近些年,国外的心理学与教育学研究者对教师期望现象进行了大量的研究,并取得了一定的成果。本文重点介绍了教师期望的发展阶段、理论模型和研究内容,并提出未来的发展方向,旨在人们更为全面地了解教师期望的发展现状与前景。 相似文献
80.
Brian P. Marx Alan M. Gross John P. Juergens 《Journal of psychopathology and behavioral assessment》1997,19(4):281-302
This study examined the impact of perceived token resistance and the psychological and pharmacological effects of alcohol consumption on men's discrimination of when a female wants her partner to stop his sexual advances. In a 2 (alcohol vs. no alcohol) × 2 (expectancy vs. no expectancy) × 2 (perceived token resistance vs. no resistance) randomized factorial design, male college students were exposed to an audiotape of a date rape. Before listening, participants were told that on the previous date the woman did not resist sexual contact or that she initially objected to the contact but the man was able to obtain the level of intimacy he desired. Relative to participants assigned to the no-alcohol expectancy or no-alcohol consumption group, participants in the alcohol expectancy and alcohol consumption groups took significantly longer to determine that the man should refrain from attempting further sexual contact. The implications of the findings are discussed.This investigation was carried out by the first author under the supervision of the second author in partial fulfillment of the requirements for the degree of Doctor of Philosophy. 相似文献