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181.
Sidman M 《Journal of the experimental analysis of behavior》2000,74(1):127-146
Where do equivalence relations come from? One possible answer is that they arise directly from the reinforcement contingency. That is to say, a reinforcement contingency produces two types of outcome: (a) 2‐, 3‐, 4‐, 5‐, or n‐term units of analysis that are known, respectively, as operant reinforcement, simple discrimination, conditional discrimination, second‐order conditional discrimination, and so on; and (b) equivalence relations that consist of ordered pairs of all positive elements that participate in the contingency. This conception of the origin of equivalence relations leads to a number of new and verifiable ways of conceptualizing equivalence relations and, more generally, the stimulus control of operant behavior. The theory is also capable of experimental disproof. 相似文献
182.
Luo Lu Shu-Fang Kao Cary L. Cooper Paul E. Spector 《International journal of stress management》2000,7(3):209-226
This study investigated managerial stress in Taiwan and UK using the Occupational Stress Indicator-2 (OSI-2) and the Work Locus of Control (WLCS) scale. Results showed that the reliability and validity of the measures used were acceptable and comparable in the two samples. There were similarities as well as differences in managerial stress in the two countries. Recognition and Managerial role were important predictors of strain for the Chinese managers, whereas Relationships, Organizational climate, and Personal responsibility were important predictors of strain for UK managers. There were consistent moderating (vulnerability) effects of internal control for the Taiwanese managers. Results corroborated some previous studies conducted in the West. However, caution was also suggested for generalizing Western-originated concepts and theories across cultural boundaries. 相似文献
183.
The therapist's self in dialogical family therapy: some ideas about not-knowing and the therapist's inner conversation 总被引:2,自引:0,他引:2
Rober P 《Family process》2005,44(4):477-495
In this article, the focus is on the therapist's self, which will be in line with Bakhtin's thinking, viewed as a dialogical self. First, the dialogical view of the self is situated in the context of psychology's traditional focus on the individual self. Then, leaning on Bakhtin and Volosinov, the self is described as a dialogue of multiple inner voices. Some of the implications of this concept for family therapy practice are examined, focusing especially on the therapist's participation in the therapeutic process and on the therapist's inner conversation. The author argues that not-knowing does not only refer to the therapist's receptivity and respect but also implies that the therapist is aware of his or her experience and reflects on how his or her inner conversation might inform and enrich the therapeutic conversation. Finally, these ideas are illustrated with a brief clinical vignette. 相似文献
184.
The Role of Temperament in the Etiology of Child Psychopathology 总被引:16,自引:0,他引:16
A substantial proportion of children and adolescents come to suffer from psychological disorders. This article focuses on
the temperament factors that are involved in the pathogenesis of child psychopathology. It is argued that besides the reactive
temperament factor of emotionality/neuroticism, the regulative process of effortful control also plays an important role in
the etiology and maintenance of internalizing and externalizing problems in youths. More specifically, vulnerability to child
psychopathology is determined by a temperament that is characterized by high levels of emotionality/neuroticism and low levels
of effortful control. Models are hypothesized in which reactive and regulative temperament factors either have interactive
or additive effects on the development of psychological disorders in children, and conceptualized in terms of a developmental
psychopathology perspective. Directions for future research and clinical implications of this temperamental view on psychopathology
are discussed. 相似文献
185.
Avila C Cuenca I Félix V Parcet MA Miranda A 《Journal of abnormal child psychology》2004,32(3):295-304
Seven different laboratory measures of impulsivity were administered to a group of 165 school-aged boys. Parents' and teachers' ratings of Attention Deficit and Hyperactivity Disorder and Oppositional/Defiant Disorder were also obtained. Factor analyses of impulsivity measures revealed the existence of a strong Inhibitory Control Factor including measures derived from Stop Task, the Continuous Performance Test, the Matching Familiar Figures Test, and the Circle Tracing Task. Other forms of impulsivity like resistance to interference, the Wisconsin Card Sorting Test and efficiency in the DRL Task loaded on a second independent factor. The Inhibitory Control factor was correlated with ADHD ratings, whereas the second factor was slightly related to the presence of ODD symptoms. Discussion is focused on the relevance of inhibitory control in impulsivity and ADHD research. 相似文献
186.
Singer EA 《Science and engineering ethics》2004,10(1):51-56
The use of placebo in clinical trials has been repeatedly challenged as being unacceptable from an ethical point of view.
The present paper responds to this criticism by taking up the issue in the light of the pertinent provisions of the Helsinki
Declaration. Examples from different therapeutic areas are given that highlight the importance of placebo in situations in
which its use is acceptable according to the Declaration. Particular emphasis is given to the question of active control trials,
which, under conditions of low assay sensitivity, may become an ethically less acceptable approach than the use of a placebo
control.
An earlier version of this paper was presented at an international conference, “Placebo: Its Action and Place in Health Research
Today,” held in Warsaw, Poland on 12–13 April, 2003. 相似文献
187.
The present study investigated the relative extent to which patients' adjustment to chronic low back pain (CLBP) was influenced by their fear-avoidance beliefs, their tendency to catastrophize, and their appraisals of control. Eighty-three CLBP patients completed a series of self-report measures before participating in a physical therapist-led intervention. Hierarchical multiple regression analyses revealed that patients' perceptions of their ability to decrease pain explained a small, but statistically significant, proportion of the variance in pain intensity. In addition, patients' levels of catastrophizing, as well as their fear-avoidance beliefs about both work and physical activity, were independently associated with levels of disability. Interestingly, however, when exploring the relative predictive utility of these three psychological factors, it became evident that fear-avoidance beliefs about physical activity (FABs-PA) were the only significant predictor of patients' disability. Specifically, those patients who exhibited higher levels of FABs-PA tended to report greater levels of disability, even after adjusting for age, sex and pain intensity. 相似文献
188.
Cognitive defusion techniques are designed to reduce the functions of thoughts by altering the context in which they occur, rather than the attempting to alter the form, frequency, or situational sensitivity of the thoughts themselves. Applied technologies designed to produce cognitive defusion seem to lead to reductions in the believability of negative thoughts, but defusion techniques are generally only parts of complex packages and the role of defusion techniques per se is note yet known. The present study examined the impact of a cognitive defusion technique first described by Titchener nearly 90 years ago: rapidly repeating a single word. In series of eight single-case alternating treatment designs, this defusion technique was compared to a distraction task, and to a thought control task on reductions in the discomfort and believability of self-relevant negative thoughts. The cognitive defusion technique reduced both discomfort and believability more so than the comparison approaches. Control studies showed that the effect was probably not due to demand characteristics. 相似文献
189.
This study examined the effect of age and practice on the structure of children's force variability to test the information processing hypothesis that a reduction of sensorimotor system noise accounts in large part for age-related reductions in perceptual-motor performance variability. In the study, 6-year-olds, 10-year-olds, and young adults practiced on 5 consecutive days (15 trials/day), maintaining for 15-s trials a constant level of force (5 or 25% of maximum voluntary contraction) against an object using a pinch grip (thumb and index finger). With increasing age, the amount of force error and variability decreased, but the sequential structure of variability increased in irregularity. With practice, children reduced the amount of variability by changing the structure of the force output so as to be more similar to that of their older counterparts. The findings provide further evidence that practice-driven changes in the structure of force output, rather than a decline in the amount of white noise, largely account for age-related reductions in the amount of force variability. 相似文献
190.
The present experiment examined the one-target advantage (OTA) with regard to saccadic eye movements. The OTA, previously found with manual pointing responses, refers to the finding that movements are executed faster when the limb is allowed to stop on the target compared to the situation where it has to proceed and hit a second target. Using an adapted limb movement OTA task, saccades of 5 degrees and 15 degrees were made to (a) a single target (one-target), (b) one target and immediately to another target without a change in direction (two-target-extension), and (c) one target and immediately back to the start location (two-target-reversal). Unlike manual movements, the movement times for the initial saccade in the two-target-extension condition were not prolonged compared to either of the other two conditions. Moreover, this pattern of results was found for both the shorter and longer amplitude saccades. The results indicate that the OTA does not occur in the oculomotor system and therefore is not a general motor control phenomenon. 相似文献