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991.
Bertelson (1963), and others more recently, have observed that when the same stimulus is presented consecutively the reaction time (RT) to the second presentation is faster than the RT to the first presentation. In Experiments 1 and 2, two-dimensional stimuli are used in a discrete four-choice RT task where the stimuli can either be completely repeated, partially repeated, or completely different. In Experiment 3, three-dimensional stimuli were used in a discrete eight-choice RT task where the stimuli can either be completely repeated, partially respeated with respect to two dimensions, partially repeated with respect to one dimension, or completely different. The partial repetition of multidimensional stimuli showed a significant facilitation effect on RT with all sets of stimuli used in the present experiments. This result is discussed in respect to the various possible loci of the repetition effect. 相似文献
992.
Two experiments compared the perception of apparent movement when the second of two successive stimuli always appeared in the same position and when it varied randomly between two spatial positions. The results of both experiments showed that foreknowledge of the position of the second stimulus does not facilitate the perception of apparent movement. Experiment 2 also clearly showed that the space-time relationships of Korte’s third law of apparent movement does not depend on foreknowledge of the position of the second stimulus. These findings imply that apparent movement in real time occurs after the second stimulus has been registered by the visual system. It suggests that apparent movement involves a delayed decision mechanism that stores the first stimulus, the interstimulus temporal interval, and the second stimulus, and then impletes a motion compatible with the stimulus information. 相似文献
993.
Herman Aguinis Charles A. Pierce Brian M. Quigley 《Journal of applied social psychology》1993,23(5):352-373
A meta-analysis was conducted to test whether the use of self-report measures within the bogus pipeline (BPL) paradigm yields more valid responses than the use of self-report measures alone for assessing cigarette smoking behavior. The meta-analytic results indicate that, overall, a BPL condition resulted in a larger proportion of subjects reporting that they are frequent smokers, as compared to a self-report measure only (no pipeline) condition. Tests of categorical models indicate that the enhanced validity of self-reports within the BPL paradigm is moderated by the following variables: (a) type of BPL presentation employed, (b) type of self-report measure to which the BPL technique is compared, and (c) whether most participants are smokers (as indicated by a biochemical marker). 相似文献
994.
Strategic consensus within management teams is thought to affect company performance because of its effects on the quality of team decision-making (Bourgeois, 1985, p. 571). Past research dealing with the relationship between consensus and company performance, however, has not specifically examined the effects of consensus on decision-making. The debate on the effects of strategic consensus parallels a debate on the effects of consensus-based and conflict-based decision aids (Schweiger & Finger, 1984; Schweiger, Sandberg, & Ragan, 1986; Schwenk, 1988). The experiment described in this paper is the first which deals with the effects of group consensus and conflict-based decision aids on group decision-making. The results showed that high-consensus groups generally had higher performance, suggesting that consensus improves group decision-making. Further, groups given the decision technique of devil's advocacy had higher levels of critical evaluation in decision-making but less desire to work with each other in the future, suggesting that devil's advocacy has mixed effects on decision-making groups. An interaction effect showed that devil's advocacy increased the commitment of high-consensus group members to the decisions their groups had reached but did not have a similar effect on low-consensus groups. This result demonstrates the importance of examining both consensus and decision aids simultaneously. The implications of the results for the interpretation of past research on consensus and on conflict-based decision aids are offered in the conclusion. 相似文献
995.
996.
Francine M. J. Dehue Charles G. McClintock Wim B. G. Liebrand 《European journal of social psychology》1993,23(3):273-293
While much research concerning decision-making in interdependency situations concentrates on the influence of social values or different preferences for certain distributions of outcomes for self and other (McClintock, 1978), little attention has been paid to the cognitive processes underlying the expression of these different social values. The present research focuses on the cognitive processes by examining the influence of the dominant social values on decision-makers' response latencies (RLs) in interdependency situations. Using the Ring Measure of Social Values (Liebrand 1984), three experiments were conducted to assess these RLs. Experiment 1 examines the reliability of the social value construct and the RL effect. Experiments 2 and 3 investigate the generality of the RL effect across presentation of combinations of own and other's outcomes (all positive versus all negative). As predicted, RLs were shorter for individualists than for cooperators and competitors. Further, regardless of values, shorter RLs occurred across experiments when own outcomes are positive rather than negative. More important, the predicted interaction between social value and outcome distribution was observed, reflecting increasing RLs for cooperators as their joint outcomes decreased, longer RLs for individualists when own outcomes were negative rather than positive, and longer RLs for competitors when they were outcome disadvantaged rather than advantaged relative to other. These findings are consistent with the expectation that (I) the transformations associated with different social values require different cognitive processes, and (2) subsequent to the value transformations of outcomes, RLs increase when the utility of the transformed outcome distributions decreases. 相似文献
997.
SELECTIVE ASSOCIATIONS PRODUCED SOLELY WITH APPETITIVE CONTINGENCIES: THE STIMULUS-REINFORCER INTERACTION REVISITED 下载免费PDF全文
Stanley J. Weiss Leigh V. Panlilio Charles W. Schindler 《Journal of the experimental analysis of behavior》1993,59(2):309-322
In studies reporting stimulus-reinforcer interactions in traditional conditioning paradigms, when a tone-light compound was associated with food the light gained stimulus control, but when the compound was paired with shock avoidance the tone gained control. However, the physical nature of the reinforcerrelated events (food vs. shock) presented in the presence of the tone-light compound was always confounded with the conditioned hedonic value of the compound's presence relative to its absence. When the compound was paired with shock, its presence was negative relative to its absence (which was shock-free). In contrast, when the compound was paired with food, its presence was positive relative to its absence (which was food-free). The present experiment dealt with this confounding effect by conditioning a tone-light compound to be positive or negative, relative to its absence, solely with food reinforcement. One group of rats received food for responding in the presence of the tone-light compound and no food in its absence. The other group also responded in the presence of the compound, but received food only in its absence. These rats were trained on a chained schedule in which responding in the presence of the tone-light compound produced a terminal link signaled by the absence of the compound; responding ceased in the terminal link because it delayed food delivery. In a test session to assess stimulus control by the elements of the compound, tone and light were presented separately under extinction conditions. Rats that had been exposed to a positive correlation between food and the compound emitted almost double the responses in the presence of the light as in the presence of the tone. In comparison, rats that had been exposed to a negative correlation emitted only two thirds as many responses in the presence of the light as in the presence of the tone. Because this selective association was produced using only food, it appears that the contingencies under which a reinforcer is presented, rather than (or as well as) its physical properties, can generate the selective associations previously attributed to “stimulus-reinforcer interactions.” This could mean that regardless of the class of reinforcer that ultimately maintains responding (appetitive or aversive), the contingency-generated hedonic value of the compound stimulus may influence the dominant modality of stimulus control. 相似文献
998.
This article uses a case study to illustrate how a wider systems perspective can be helpful in considering the questions and dilemmas that arise in everyday practice when a practitioner is invited to intervene in a prescribed or limited way with an individual. The case is presented sequentially, with more detailed reflection at various junctures to allow readers to consider for themselves what the options for action are at any given point. 相似文献
999.
WHEN MORE PAIN IS PREFERRED TO LESS: 总被引:10,自引:0,他引:10
Daniel Kahneman Barbara L. Fredrickson Charles A. Schreiber Donald A. Redelmeier 《Psychological science》1993,4(6):401-405
Abstract— Subjects were exposed to two aversive experiences: in the short trial, they immersed one hand in water at 14°C for 60 s; in the long trial, they immersed the other hand at 14°C for 60 s, then kept the hand in the water 30 s longer as the temperature of the water was gradually raised to 15°C, still painful but distinctly less so for most subjects. Subjects were later given a choice of which trial to repeat. A significant majority chose to repeat the long trial, apparently preferring more pain over less. The results add to other evidence suggesting that duration plays a small role in retrospective evaluations of aversive experiences; such evaluations are often dominated by the discomfort at the worst and at the final moments of episodes. 相似文献
1000.
Bingham and Muchisky (1993) found that observers were very accurate in determining the location of the center of mass in planar objects. Systematic errors were affected primarily by object orientation, while random errors varied with the amount of symmetry. Radial and axial reflective symmetry affected errors in different ways. In the current study, we investigated the different effects of axial reflective versus rotational symmetry. All random errors decreased with increasing rotational symmetry. Axial reflective symmetry further reduced errors in the direction perpendicular to the axis. We replicated the effect on systematic error of orientation. However, we also found an effect of the perturbation of symmetry that suggested that observers used an approximation to symmetry. To investigate this possibility, we constructed a series of objects in which axial reflective symmetry was established and then perturbed by varying amounts. We found that systematic errors were structured by the underlying approximate symmetries, and we discuss the problem of quantifying symmetry. 相似文献