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91.
Conditional discrimination performance by pigeons on a response-independent procedure 总被引:2,自引:2,他引:0 下载免费PDF全文
Looney TA Cohen LR Brady JH Cohen PS 《Journal of the experimental analysis of behavior》1977,27(2):363-370
Pigeons were trained on a differential autoshaping procedure in which both components of two-stimulus sequences predicted delivery or nondelivery of food. All birds acquired the conditional discrimination. When the subjects were exposed to an extinction procedure, the stimuli maintained conditional control as long as the birds continued to peck the key. When a delay interval was imposed between the two components of a stimulus sequence using a titration procedure, the stimuli maintained conditional control up to delay values of 7 to 10 sec. These data are consistent with the view that the controlling stimuli in conditional discrimination situations are compounds of stimulus elements. 相似文献
92.
Krasnegor NA Brady JV Findley JD 《Journal of the experimental analysis of behavior》1971,16(2):181-187
Two rhesus monkeys responded on a fixed-ratio schedule in Stimulus 1 (blue light) to avoid the onset of Stimulus 2 (green light). Failure to avoid Stimulus 2 required a second fixed-ratio performance to avoid Stimulus 3 (red light) in the presence of which unavoidable shock occurred. Relative frequencies of avoidance performance in the blue light and in the green light were inversely related to the ratio requirement under each stimulus condition. Both differential response-cost and avoidance-failure probability factors were related to the observed changes. 相似文献
93.
This study examined the role of phonetic factors in the performance of good and poor beginning readers on a verbal short-term memory task. Good and poor readers in the second and third grades repeated four-item lists of consonant-vowel syllables in which each consonant shared zero, one, or two features with other consonants in the string. As in previous studies, the poor readers performed less accurately than the good readers. However, the nature of their errors was the same: Both groups tended to transpose initial consonants as a function of their phonetic similarity and adjacency. These findings suggest that poor readers are able to employ a phonetic coding strategy in short-term memory, as do good readers, but less skillfully. 相似文献
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William Hodos Gilbert S. Ross Joseph V. Brady 《Journal of the experimental analysis of behavior》1962,5(4):473-479
A series of experiments is reported in which two monkeys emitted complex response patterns, not specified by the experimental program, during the DRL component of a multiple schedule. Administration of sodium pentobarbital and dl-amphetamine, drugs which disrupted the DRL performance, were also observed to suppress these collateral responses. Sequences of these collateral responses appear to mediate, at least in part, the timing process required for reinforced performance on the DRL schedule. 相似文献
96.
Brady JV 《Journal of the experimental analysis of behavior》1987,48(3):458-459
97.
Substance Abuse and Posttraumatic Stress Disorder 总被引:2,自引:0,他引:2
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Kristine L. Brady David Trafimow Richard M. Eisler Douglas R. Southard 《Sex roles》1996,35(9-10):639-650
Previous data have shown that successful women are judged to have masculine characteristics [J. A. Doyle (1989), The Male Experience(2nd ed.), Dubuque, IA: Wm. C. Brown; D. L. Gill (1986), Psychological Dynamics of Sport,Champaign, IL: Human Kinetics; D. J. Murphy (1988), “Sport and Gender,” in W. M. Leonard II (Ed.), A Sociological Perspective of Sport(3rd ed.), New York: Macmillan; P. Willis (1994), “Women in Sport in Ideology,” in S. Birrell and C. L. Cole (Eds.), Women, Sport, and Culture,Champaign, IL: Human Kinetics]. Two experiments were conducted to test two different explanations for this effect, the appraisal and attribution hypotheses. In Experiment 1, male participants who lost to a female confederate on a masculine-relevant task rated her as having more masculine and fewer feminine characteristics than when the task was described as feminine-relevant. However, heart rate and blood pressure data failed to support the appraisal hypothesis that these reactions were due to the stress of losing to the female, or defensiveness. The alternative hypothesis that these ratings were due to standard attributional processes was more consistent with the data. Consequently, this hypothesis was tested in Experiment 2 using an attributional paradigm. Consistent with Experiment 1, the attribution hypothesis fared better than did the appraisal hypothesis. 相似文献