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291.
Sarah Cowie Stephanie Gomes-Ng Brooke Hopkinson John Y.H. Bai Jason Landon 《Journal of the experimental analysis of behavior》2020,114(2):216-232
Stimuli that provide information about likely future reinforcers tend to shift behavior, provided a reliable relation between the stimulus and the reinforcer can be discriminated. Stimuli that are apparently more reliable exert greater control over behavior. We asked how the subjective value (measured in terms of preference) of reinforcers associated with stimuli influences stimulus control. Five pigeons worked on a concurrent chains procedure in which half of all trials ended in a smaller reinforcer sooner, and the other half in a larger reinforcer later. In Signaled trials, the color and flash duration on the keys in the initial link signaled the outcome of the trial. In Conflicting probe trials, the color and the flash duration signaled conflicting information about the outcome of the trial. Choice in Signaled trials shifted toward the signaled outcome, but was never exclusive. In Conflicting probe trials, control was divided idiosyncratically between the 2 stimulus dimensions, but still favored the outcome with the higher subjective value. Thus, stimulus control depends not only on the perceived reliability of stimuli, but also on the subjective value of the outcome. 相似文献
292.
Kenneth E Fletcher Lynn Clemow Britt Ann Peterson Stephanie C Lemon Barbara Estabrook Jane G Zapka 《Health psychology》2006,25(3):413-424
Patterns and predictors of psychological distress in first-degree female relatives (N = 624) of newly diagnosed breast cancer patients were explored. First-degree female relatives who were high monitors reported greater cancer-specific and general distress than did low monitors. Greater optimism was associated with lower cancer-specific distress. Optimism's effect on general distress was moderated by women's level of monitoring. Greater optimism was associated with lower general distress for both high and low monitors, but the effect was stronger for high monitors than for low monitors. Avoidance and engaged coping were associated with higher distress. A close relationship with the cancer patient was related to higher cancer-specific distress but lower general distress. Further understanding of the process of adjustment in these women awaits longitudinal study. 相似文献
293.
294.
Stephanie M. Doane Danielle S. McNamara Walter Kintsch Peter G. Polson Deborah M. Clawson 《Memory & cognition》1992,20(4):327-343
We hypothesize that a cognitive analysis based on the construction-integration theory of comprehension (Kintsch, 1988) can predict what is difficult about generating complex composite commands in the UNIX operating system. We provide empirical support for assumptions of the Doane, Kintsch, and Polson (1989, 1990) construction-integration model for generating complex commands in UNIX. We asked users whose UNIX experience varied to produce complex UNIX commands, and then provided help prompts whenever the commands that they produced were erroneous. The help prompts were designed to assist subjects with respect to both the knowledge and the memory processes that our UNIX modeling efforts have suggested are lacking in less expert users. It appears that experts respond to different prompts than do novices. Expert performance is helped by the presentation of abstract information, whereas novice and intermediate performance is modified by presentation of concrete information. Second, while presentation of specific prompts helps less expert subjects, they do not provide sufficient information to obtain correct performance. Our analyses suggest that information about the ordering of commands is required to help the less expert with both knowledge and memory load problems in a manner consistent with skill acquisition theories. 相似文献
295.
John S. Watson Richard Umansky Stephanie Marcy Caroline Johnston Betty Repacholi 《Journal of applied developmental psychology》1996,17(4):160
Major behavioral features of Rett syndrome are the loss of instrumental reaching and grasping and the presentation of some variant of hand-hand or hand-mouth stereotypy. As part of an experimental home intervention program, a 3-year-old girl with Rett syndrome was exposed to four types of contingency games designed to elicit instrumental reaching, kicking, vocalization, and eye movement, respectively. Parent and subject performance were videorecorded on seven occasions over the initial 2-month period. Evaluation of these records provided evidence of contingency learning in all but the vocalization games. Stereotypic hand clasping was examined in relation to the performance of instrumental behavior (reaching, kicking, looking). Coincidental (short-term mutual inhibition arising by chance co-occurrence), associative (short-term mutual inhibition arising by having elicitor in common), and foundational (long-term mutual inhibition arising by having neural network in common) forms of specific behavioral competition were defined and examined. Evidence for coincidental and foundational competition was found in the relation between reaching and hand clasping. Implications for the support of functional hand use are discussed. 相似文献
296.
Stephanie Kasen Patricia Cohen Judith S. Brook Claudia Hartmark 《Journal of abnormal child psychology》1996,24(2):121-150
Effects of family status on the trajectory of problematic temperament-adjustment at 1 to 10 years of age and associated psychiatric disturbance 8 years later were examined in an epidemiological sample of 648 children. After adjusting for predivorce temperament-adjustment and background factors, logistic regression yielded independent effects of single custodial mother (SCM) family status for increased risk of disruptive and anxiety disorders, and of stepfamily status for increased risk of disruptive disorders. Increased risk of psychiatric disorders was more pervasive for SCM family boys versus intact family boys than for SCM family girls versus intact family girls, however only significantly more so for depression. No significant sex interaction was observed for stepfamily status. When girls and boys were treated independently, patterns of family status and outcomes of internalizing disorders varied. In stepfamilies, an elevated risk of depression and anxiety disorders was observed in girls but not boys, whereas in SCM families an elevated risk of depression was observed in boys but not girls. Within each family status group there was support for an altered risk of later psychiatric disorders given specific problematic predivorce temperament-adjustment characteristics. Implications for future research and treatment are discussed.The research described was supported by grants from the National Institute of Mental Health and by the W. T. Grant Foundation. 相似文献
297.
Edmund Fantino James Kulik Stephanie Stolarz-fantino William Wright 《Psychonomic bulletin & review》1997,4(1):96-101
The conjunction fallacy, in which individuals report that the conjunction of two events is more rather than less likely to occur than one of the events alone, is a robust phenomenon. We assessed the possibility that an analysis in terms of functional measurement methodology might be consistent with occurrence of the fallacy. A 3 × 3 design in which we varied the judged likelihood of the two components constituting the conjunction permitted us to assess the possibility that subjects judge the likelihood of conjunctions by averaging the likelihood of their component parts. The results were consistent with this possibility, and this interpretation was supported by analysis of the results in terms of functional measurement methodology. 相似文献
298.
299.
Joseph P. Forgas Janos Laszlo Istvan Siklaki Stephanie J. Moylan 《European journal of social psychology》1995,25(5):481-496
What sorts of features define people's implicit cognitive representations about the political domain in a newly emerging democracy, with no previous experience of multi-party politics? This study used a multidimensional scaling (MDS) approach to investigate the dimensional structure of, and individual differences in, cognitive representations of the party political space before the recent first free elections were held in Hungary. It was found that three cognitive dimensions explained subjects' intuitive view of political parties, evaluation, conservatism, and an urban–rural dimension. Significant individual differences in the use of these dimensions linked to gender, education, and city versus country background were also found. The relationship between implicit cognitive representations about parties and political attitudes and behaviour are discussed, and the implications of the findings for our understanding recent political developments in Eastern Europe are considered. 相似文献
300.
Stephanie Walker Vicki Bruce Claire O’Malley 《Attention, perception & psychophysics》1995,57(8):1124-1133
An experiment was conducted to investigate the claims made by Bruce and Young (1986) for the independence of facial identity and facial speech processing. A well-reported phenomenon in audiovisual speech perception—theMcGurk effect (McGurk & MacDonald, 1976), in which synchronous but conflicting auditory and visual phonetic information is presented to subjects—was utilized as a dynamic facial speech processing task. An element of facial identity processing was introduced into this task by manipulating the faces used for the creation of the McGurk-effect stimuli such that (1) they were familiar to some subjects and unfamiliar to others, and (2) the faces and voices used were either congruent (from the same person) or incongruent (from different people). A comparison was made between the different subject groups in their susceptibility to the McGurk illusion, and the results show that when the faces and voices are incongruent, subjects who are familiar with the faces are less susceptible to McGurk effects than those who are unfamiliar with the faces. The results suggest that facial identity and facial speech processing are not entirely independent, and these findings are discussed in relation to Bruce and Young’s (1986) functional model of face recognition. 相似文献