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101.
Unequal reinforcer magnitudes and relative preference for cooperation in the dyad 总被引:2,自引:2,他引:0
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College-student subjects, who were paired with a confederate, chose to respond either independently or cooperatively for money reinforcers. The subject's relative preference for cooperation was assessed by a procedure (analogous to the psychophysical method of limits) in which response choice was monitored as reinforcer magnitude for one response mode was systematically varied while the other remained constant. Relative preference for cooperation was assessed when the confederate's payoff for cooperation was greater than the subject's (Experiment I) and when the confederate's payoff for independent responding was less than the subject's (Experiment II). For some subjects, changes in the confederate's reinforcer magnitudes resulted in shifts in relative preference for cooperation, which reduced the earnings differences, even though these preference shifts reduced the subject's absolute earnings. For those subjects for whom within-dyad differences in reinforcer magnitude produced no effect, a changeover button was introduced that allowed the subject to eliminate the payoff difference without reducing her own earnings; some subjects used this changeover button to eliminate earnings differences. Thus, the behavior of subjects varied, in part, as a function of reinforcer magnitudes provided for the confederate. 相似文献
102.
Arthur G Snapper Ronald M Kadden Eliot H Shimoff William N Schoenfeld 《Learning and motivation》1975,6(3):367-384
After a scalloped lever-press response pattern had developed under a fixed-interval food reinforcement schedule, a 15-sec electric shock was intruded for different groups of rats in the first, second, third, or fourth quarter of each inter-reinforcement interval. Shock intensity was systematically increased for individual rats over 70 sessions, from 0.05 to 1.6 mA. Additional between-groups comparisons involved response-dependent versus clock-dependent fixed-interval schedules, and response-dependent versus response-independent electric shock intrusion. Response rates within each fixed interval prior to, during, and following electric shock intrusion showed regular and reproducible increases and decreases under systematic application of the experimental variables. These results provide further evidence that the functions of a stimulus are determined in part by the parameters of intensity, response contingency, and temporal location with respect to reinforcement. 相似文献
103.
Pigeons learned to peck a green key on which parallelogram-shapes were projected; they then received generalization tests in which the orientation of the parallelogram was varied. Nondifferential training produced very little eventual stimulus control along the orientation dimension, but when training included S- trials (absence of the parallelogram) subjects responded consistently more to certain orientations than to others. Unlike typical results for visual generalization (e.g., line-tilt), the tilt gradients obtained for this complex stimulus were bimodal, supporting predictions on the basis of human perceptual data. However, unimodal gradients could be produced by specific discrimination training along the orientation dimension. Other forms of intradimensional training also produced relatively steep gradients, often characterized by unexpected but consistent secondary peaks. An attempt to obtain inhibitory gradients (S+: green key; S-: parallelogram on a green background) resulted in virtually zero responding all along the shape-orientation dimension; therefore, specific inhibitory control could not be evaluated. All these experiments suggest that definition of this complex stimulus dimension in terms of mere "angular orientation" is inappropriate, and alternative interpretations are discussed. 相似文献
104.
Eliot R Smith 《Journal of Vocational Behavior》1980,17(2):218-230
The effects of mother's and father's work status and of social-psychological intervening variables on high school girls' orientation to the labor force are examined. The dependent variables are separate indicators of whether the girls want and whether they expect to have an occupation. In these data from 1965, a log linear analysis shows that whether the mother worked was the major background influence on the dependent variables; father's occupation had no significant independent effect. In addition, two “ideological” variables, the girl's identification with the mother and beliefs in individual achievement, strongly influenced the dependent variables, in a way that did not merely mediate the background effects. Finally, some consequences of wanting and/or expecting to work are examined, and it is argued that the choice of career pattern (housewife versus paid employment) was a central one in girls' attitudinal structures. 相似文献
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107.
A O Eliot 《International journal of group psychotherapy》1990,40(3):339-351
This paper describes a model for coleadership of a multifamily group which is part of an outpatient treatment program for adolescents with anorexia and bulimia nervosa at The Children's Hospital in Boston. This clinic is a collaborative effort between the Departments of Psychiatry and Adolescent Medicine and has been involved with more than 600 patients and their families. The parents of a recovered adolescent girl have shared group leadership with the author for six years and have added an innovative dimension to the group process as a result of their own experiences. Theoretical and empirical observations are presented and guidelines for maximizing coping abilities are outlined. 相似文献
108.
Rydell RJ Mackie DM Maitner AT Claypool HM Ryan MJ Smith ER 《Personality & social psychology bulletin》2008,34(8):1141-1152
Intergroup emotions theory (IET) posits that when social categorization is salient, individuals feel the same emotions as others who share their group membership. Extensive research supporting this proposition has relied heavily on self-reports of group-based emotions. In three experiments, the authors provide converging evidence that group-based anger has subtle and less explicitly controlled consequences for information processing, using measures that do not rely on self-reported emotional experience. Specifically, the authors show that intergroup anger involves arousal (Experiment 1), reduces systematic processing of persuasive messages (Experiment 2), is moderated by group identification (Experiment 2, posttest), and compared to intergroup fear, increases risk taking (Experiment 3). These findings provide converging evidence that consistent with IET, emotions triggered by social categorization have psychologically consequential effects and are not evident solely in self-reports. 相似文献
109.
The present experiment examined the effects of input/output modality pairings on dual-task performance using the psychological refractory period (PRP) procedure. Four groups of participants performed two tasks composed of the same sets of inputs (visual and auditory) and the same sets of outputs (manual and vocal), but with different input/output modality pairings. Whereas modality pairings had only small effects on single-task reaction times, they had large effects on dual-task reaction times. The modality pairing effect cannot stem from differences in the difficulty of stimulus classification or response execution, because these task demands were the same across groups. The effect also does not appear to result from changes in stimulus-response compatibility. The present findings suggest dual-task interference arises not only from postponement of central operations (due to a central bottleneck), but also from a slowing of central operations whose magnitude is sensitive to the input/output modality pairings. 相似文献
110.