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31.
Some variables affecting rate of key pecking during response-independent procedures (autoshaping) 总被引:2,自引:2,他引:0
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Perkins CC Beavers WO Hancock RA Hemmendinger PC Hemmendinger D Ricci JA 《Journal of the experimental analysis of behavior》1975,24(1):59-72
Rate of key pecking by pigeons subjected to response-independent procedures in which a stimulus on the response key preceded food presentation was investigated in eight experiments. Color and shape of the stimulus, duration of the stimulus, probability of food following the stimulus, duration of the intertrial interval, and duration of food presentation were varied separately and in combination. All variables studied, except color and shape of the stimulus, had a reliable effect on pecking rate, but some variables had stronger effects than others. Rapid key pecking may be obtained with a variety of response-independent procedures, as well as by response-dependent reinforcement. The results of experiments in which food is both dependent on key pecking and correlated with stimulus conditions are not representative of simple operant effects. Key pecking is an ideal response for studying the simultaneous operation of response-reinforcer and stimulus-reinforcer effects. 相似文献
32.
P A Federico W E Montague 《Journal of experimental psychology. Human learning and memory》1975,1(6):680-688
The primary purpose of this research was to determine how imaginal and verbal encoding strategies intereact with various stimulus characteristics to either enhance or retard recognition; the secondary purpose of these studies was to test the conceptual coding hypothesis of Ellis, 1972. A between-groups multivariate factorial analysis of covariance experiment and a within-subjects multivariate factorial analysis of variance experiment were conducted. In Experiment 1 it was found that low-codability shapes were better recognized under the verbal encoding set rather than the imaginal encoding verbal encoding sets; and high-codability shapes were not better recognized than low-codability shapes. However, in Experiment 2, where instructional set was a within-subjects factor, it was found that low-codability shapes were not better recognized under the verbal encoding set than the imaginal encoding set. 相似文献
33.
Key pecking under response-independent food presentation after long simple and compound stimuli 总被引:3,自引:3,他引:0
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Ricci JA 《Journal of the experimental analysis of behavior》1973,19(3):509-516
Sixteen pigeons were trained to peck a key using a response-independent (auto-shaping) procedure of food presentation. The 4-sec grain presentations were independent of responding but a keylight stimulus preceded each, with a 4-min interval between the grain presentation and the next stimulus. Subjects were divided into four groups, with two durations of the keylight (30 or 120 sec) and either one or four successive colors on the response key preceding food delivery. In Phase 2, the birds were continued with the same keylight duration but were presented the alternative number of key colors. All pigeons pecked the key during the stimulus. Birds in the two groups with the 30-sec stimulus duration began to respond significantly sooner than birds with the 120-sec duration. There were no significant differences in rate of pecking between groups by the last five days of Phase 1. In Phase 1, the pigeons exposed to the four stimulus components showed an increase in rate of pecking over the four components as grain presentation approached. The pigeons with one stimulus component did not exhibit this regularity. Analogous conditions in Phase 2 had similar results except for one group. The implications of the occurrence of key pecking due to response-independent food delivery for multiple and chained schedules were pointed out. 相似文献
34.
Applied Research in Quality of Life - Peri-urban areas in Latin America exhibit significant social and environmental problems that affect the quality of life of their inhabitants. Based on previous... 相似文献
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Edoardo Bisiach Raffaella Ricci Michele Lualdi Maria Rosa Colombo 《Brain and cognition》1998,37(3):369-386
Perceptual and response bias in estimating the proportion of the two segments of prebisected lines were disambiguated in a group of 121 patients suffering from left neglect by means of two variants of the Milner Landmark task (Milner et al., 1993). The first variant, LANDMARK-V, required a verbal response; the second variant, LANDMARK-M, required manual pointing. The paper reports and discusses the results obtained on each task and their correlations, as well as the relationships between either kind of bias and the intrahemispheric location of the lesion. It is argued that besides their usefulness as a diagnostic tool the proposed variants of the Milner Landmark task provide results that are worth further investigation in their own right. 相似文献
39.
Recent work suggests that collective narcissism—an exaggerated, unrealistic belief in an ingroup's greatness that demands constant external validation—is a strong predictor of a variety of political attitudes. In the present study, we use nationally representative panel data from Poland to examine the relationship between national collective narcissism and nationalism, a belief that the national ingroup is superior and should dominate other nations. We first demonstrate that national collective narcissism, nationalism, and mere satisfaction with national ingroup are distinct. In turn, in both cross-sectional and panel analyses, we find that (1) national collective narcissism is positively related to nationalism, whereas satisfaction with the national ingroup is not; and (2) national collective narcissism is a stronger predictor of nationalism than national ingroup satisfaction is in absolute terms. Our analyses thus provide evidence that nationalism may be rooted in narcissistic exaggeration of the greatness of the national ingroup rather than nonnarcissistic national ingroup satisfaction. 相似文献
40.
We examine whether two general dimensions of sociopolitical belief—right-wing authoritarianism (RWA) and social dominance orientation (SDO)—are rooted in insecure psychological attachment. Based on an undergraduate sample ( N = 255), we model the relations among attachment styles, general worldviews, RWA, and SDO. A structural equation model indicated that anxious attachment led to RWA but not SDO and that this effect was mediated by the belief that the world is a dangerous place. In contrast, avoidant attachment led to SDO but not RWA, and this effect was mediated by the belief that the world is an uncaring, competitive jungle in which people are motivated to maximize personal utility. We discuss the implications of these findings for the nature and origins of political conservatism. 相似文献