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291.
以往研究发现,风险回避领域存在着一种经典的"图形效应"(即图形会比数字激发出个体更强的风险回避行为)。但以往研究通常只采用灰色或黑色来呈现风险信息。基于近来关于红色效应的探讨,本研究试图将颜色因素引入到图形效应中以探讨不同颜色下的图形效应特点。结果发现,相比于蓝色,红色能激发出个体更强的风险回避行为,且颜色对图形效应具有调节作用,即与蓝色相比,红色条件下出现了增强的图形效应,即"红色图形效应"。有关结果说明,红色作为一种危险警示颜色可以激发出个体更强的风险回避行为,且会诱发更大的图形效应。 相似文献
292.
Contingency-shaped and rule-governed behavior: instructional control of human loss avoidance 总被引:1,自引:6,他引:1
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Galizio M 《Journal of the experimental analysis of behavior》1979,31(1):53-70
Instructions can override the influence of programmed schedules of reinforcement. Although this finding has been interpreted as a limitation of reinforcement schedule control in humans, an alternative approach considers instructional control, itself, as a phenomenon determined by subjects' reinforcement histories. This approach was supported in a series of experiments that studied instructional and schedule control when instructions either did or did not accord with the schedule of reinforcement. Experiment I demonstrated that accurate instructions control discriminative performances on multiple avoidance schedules, and that such control persists in a novel discrimination. Experiments II and III showed that elimination of instruction-following occurs when inaccurate instructions cause subjects to contact a monetary loss contingency. Experiment IV demonstrated the reinforcing properties of accurate instructions. Skinner's view of rule-governed behavior is consistent with these findings, and can be extended to account for many aspects of instructional control of human operant behavior. 相似文献
293.
Sheryl M. Green Eleanor Donegan Randi E. McCabe David L. Streiner Melissa Furtado Laura Noble Arela Agako Benicio N. Frey 《Behavior Therapy》2021,52(4):907-916
Generalized anxiety disorder (GAD) is the most frequently diagnosed anxiety disorder among women in the perinatal period (pregnancy to one year postpartum). Recent studies have examined the relationship between problematic behaviors and GAD symptoms. Studies in nonperinatal samples indicate that adults with GAD engage in avoidance and safety behaviors and these behaviors are associated with greater symptom severity. Little research has examined the use of problematic behaviors among pregnant or postpartum women. However, preliminary research suggests that these behaviors may have a negative impact on both anxious women and their children. Our aim was to examine the extent to which women with GAD in pregnancy or the postpartum engage in problematic behaviors and whether cognitive behavioral therapy is effective in reducing these behaviors. Fifty-eight women with GAD in pregnancy or postpartum were recruited from a larger clinical trial (Clinicaltrials.gov ID NCT02850523) evaluating the effectiveness of group-based cognitive behavioral therapy (CBGT) for perinatal anxiety disorders. The results indicated that women with perinatal GAD reported high levels of avoidance and safety behaviors and greater engagement in these behaviors was associated with higher levels of worry and related symptoms. CBGT was effective in reducing GAD symptoms and problematic behaviors and a bidirectional relationship was found between changes in worry and problematic behaviors during treatment. Limitations and future directions are discussed. 相似文献
294.
Lever pressing of squirrel monkeys postponed brief electric shock according to a free-operant shock-postponement procedure. Pressing also produced shock with a probability proportional to the duration of the current interresponse time in some conditions, or to the fifth ordinally-preceding interresponse time in others. These conditions provided equal frequencies and temporal distributions of response-produced shocks either contingent on or independent of the current interresponse-time duration, respectively. Shock delivered contingent on the current interresponse-time duration resulted in shorter mean interresponse times and higher overall response rates that shock delivered independent of the current interresponse time. In subsequent conditions, response-produced shocks were sufficient to maintain responding following suspension of the postponement procedure only when those shocks were contingent on the current interresponse time. Presenting shock independent of the current interresponse time, conversely, suppressed response rate and ultimately led to cessation of responding in the absence of a conjoint shock-postponement procedure. These results demonstrate interresponse-time punishment in the absence of any indirect avoidance contingencies based on overall shock-frequency reduction, and strongly support similar interpretation at the more local level of shock-frequency reduction correlated with particular interresponse times. Differential punishment of long interresponse times also provides both an a priori basis for predicting whether a schedule of shock presentation will maintain or suppress responding and a framework for interpreting many of the functional relations between overall response rate and parameters of consequent shock presentation. Finally, these results and others indicate the importance of response-consequence contiguity above and beyong any notion of noncontiguous contingency in the control of behavior. 相似文献
295.
This study aimed at examining sensitivity to lateral linguistic and nonlinguistic information in third and fifth grade readers. A word identification task with a threshold was used, and targets were displayed foveally with or without distractors. Sensitivity to lateral information was inferred from the deterioration of the rate of correct word identification when displayed with distractors. Results show that the two reader groups were sensitive to both right and left lateral information. The area of sensitivity to this information was more extended for the identification of easy words than difficult words. Examination of the detrimental effect of distractors suggests that in both third and fifth graders, the impact of lateral information on foveal processing is the result of a general distraction effect, but also of linguistic processing whose nature remains to be clarified. 相似文献
296.
《Journal of aggression, maltreatment & trauma》2013,22(1-2):443-454
Abstract The current situation in Israel of continuous terrorist attacks poses unique challenges to the treatment of Posttraumatic Stress Disorder (PTSD). This article addresses issues that arise when treating survivors of ongoing terrorism. These include: (a) Is PTSD treatable during ongoing adversity? (b) When should treatment be offered? (c) Is avoidance maladaptive or adaptive? (d) How does one deal with re-exposure? (e) How to define the end of treatment? and (f) What are the effects on the therapist when conducting treatment during ongoing adversity? Case studies are provided to illustrate these issues when treating clients with PTSD during ongoing terror. 相似文献
297.
Leslie Buck 《Journal of motor behavior》2013,45(1):35-41
Experiments with a subject-paced pursuit tracking task show that overshoot rate is dependent upon the distance between the target and the display boundary measured in the direction of movement, and that a previously noted inverse relationship with distance to the target is artifactual. The effect held for tasks with direct and reverse control-display relations, and for tasks with constant and variable target distances. The findings were consistent with Wetford’s (1968) hypothesis that a pursuit response is initiated with a ballistic, distance-covering, movement. Ralph Leonardo carried out extensive work in collecting data, Fred Hyde maintained the apparatus, and Georgie Green assisted in data analysis. 相似文献
298.
《Cognitive behaviour therapy》2013,42(2):84-99
The current study investigated the role of fear-avoidance—a concept from chronic pain research—in chronic tinnitus. A self-report measure the “Tinnitus Fear-Avoidance Cognitions and Behaviors Scale (T-FAS)” was developed and validated. Furthermore, the role of fear-avoidance behavior as mediator of the relationship between anxiety sensitivity and tinnitus handicap was investigated. From a clinical setting, N = 373 patients with chronic tinnitus completed questionnaires assessing tinnitus handicap (Tinnitus Handicap Inventory), anxiety, depression (Hospital Anxiety and Depression Scale), anxiety sensitivity (Anxiety Sensitivity Index-3), personality factors (Big Five Inventory-10), and fear-avoidance. To analyze the psychometric properties, principal component analysis with parallel component extraction and correlational analyses were used. To examine a possible mediating effect, hierarchical regression analysis was applied. The principal component analysis resulted in a three-factor solution: Fear-avoidance Cognitions, Tinnitus-related Fear-Avoidance Behavior, and Ear-related Fear-Avoidance Behavior. Internal consistency was satisfactory for the total scale and all subscales. High correlations between tinnitus-related handicap scales, depressive and anxiety symptoms, and the T-FAS were found, whereas associations with personality factors were low. Moreover, results indicate a significant partial mediation of fear-avoidance behaviors in the relationship between anxiety sensitivity and the cognitive dimension of tinnitus handicap. Results show that fear-avoidance behavior plays an important role in tinnitus handicap. More attention should be paid to this concept in research and clinical practice of psychotherapy for chronic tinnitus. 相似文献
299.
This study was conducted to examine the longitudinal relations between posttraumatic stress disorder (PTSD) symptoms and violent behaviors. In this study, 415 adolescent survivors of the Wenchuan earthquake in China (May 12, 2008) were assessed by using self-report questionnaires 1 year (T1), 1.5 years (T2), and 2 years (T3) after the earthquake. The findings suggested that from 1 to 1.5 years after the earthquake, only intrusive symptoms of PTSD were a risk factor for violent behaviors, whereas violent behaviors were a risk factor for all 3 PTSD symptom clusters. Furthermore, 1.5 to 2 years after the earthquake, avoidance symptoms of PTSD were a risk factor for violent behaviors and hyperarousal symptoms of PTSD had no significant relation with violent behaviors. 相似文献
300.
Experiential avoidance (EA) is an emotion-regulation strategy used to control or avoid unpleasant internal experiences. Despite the important role of avoidance in depressive disorders, there is relatively little research directly examining the role of EA in the development and maintenance of depression, and most of this research relies on measurement of EA as a global and stable personality trait. In this study we sought to extend the research on EA and depression by using a daily diary design and multilevel analysis to examine how the daily relationship between EA and negative affect (NA) varies as a function of baseline depressive symptoms. In order to achieve this goal we created a new state measure of EA assessing several avoidant behaviors. The findings revealed that participants with more depressive symptoms used more daily EA overall. Additionally, the difference in daily EA between those with higher versus lower depressive symptoms was greater on days when participants experienced less NA. This moderation effect was found only concurrently whereas one-day lagged analysis failed to reveal this effect. These findings provide preliminary support for the hypothesis that depression is associated with an inflexibly high level of avoidant emotion regulation. 相似文献