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31.
32.
Richard B. Powers 《Journal of the experimental analysis of behavior》1968,11(5):579-586
The effects of different temporal requirements in conjunctive and interlocking schedules of reinforcement were examined. The compound schedules were arranged so that a reinforcer could be delivered by either a rat's response or a clock. As the temporal requirements increased in the interlocking schedules, the overall rate of responding increased, but the pattern of responding remained relatively unchanged. As the temporal requirement increased in the conjunctive schedules, the overall rate decreased and a pause-and-run pattern of responding emerged. When the response requirement was reduced to one in the conjunctive schedule for one animal, a low and extremely stable rate of responding developed. 相似文献
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Murphy and DeShon (2000) show that interrater correlations do not provide reasonable estimates of the reliability of job performance ratings, and suggest that better estimates can be obtained by applying the methods of generalizability theory. Schmidt, Viswesvaran, and Ones (2000) criticize our suggestions as radical, and argue that: (a) the reliability of ratings should be evaluated using the parallel test model rather than the more general and more realistic generalizability model, (b) reliability and validity are distinct concepts that should not be confused, and (c) measurement models have little to do with substantive models of the processes that generate scores on a test or measure. All three of these ideas were once part of the psychometric mainstream, but progress in psychometrics over the last 3 decades has moved the field well beyond these assumptions and approaches. Modern psychometric theory calls for close linkages between measurement models and substantive models of the phenomena being measured. 相似文献
35.
DENISE DE SOUZA FLEITH MARIA ALEXANDRA MILITATO RODRIGUES MARIA CRISTINA ALVES VIANA TEREZA CRISTINA SIQUEIRA CERQUEIRA 《创造性行为杂志》2000,34(1):61-75
This study investigated the creative process of well‐known musicians in Brasília, Brazil and the conditions that facilitated the development of their creative abilities. A sample of 14 professional musicians (11 composers and 3 performers) participated in semi‐structured interviews to discuss the following topics: musical formation, dedicating time to music, working conditions, creativity in music, the creative process, and the importance of music in their lives. The results indicated that the majority of the musicians view creativity as a complex process supported by many factors, especially the environment. Four stages of the creative process were described by these musicians: process triggering, preparation, product elaboration, and product validation. 相似文献
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FLORIAN ZSOK MATTHIAS HAUCKE CORNELIA Y. DE WIT DICK P. H. BARELDS 《Personal Relationships》2017,24(4):869-885
Love at first sight (LAFS) is a commonly known phenomenon, but has barely been investigated scientifically. Major psychological theories of love predict that LAFS is marked by high passion. However, it could also be a memory confabulation construed by couples to enhance their relationship. We investigated LAFS empirically by assessing feelings of love at the moment participants met potential partners for the first time. Data were collected from an online study, a laboratory study, and three dating events. Experiences of LAFS were marked neither by high passion, nor by intimacy, nor by commitment. Physical attraction was highly predictive of reporting LAFS. We therefore suggest that LAFS is not a distinct form of love, but rather a strong initial attraction that some label as LAFS, either in the moment of first sight or retrospectively. 相似文献
38.
Jacob W. Roden-Foreman Monica M. Bennett Evan E. Rainey John S. Garrett Mark B. Powers Ann Marie Warren 《Cognitive behaviour therapy》2017,46(6):522-532
Previously called Secondary Traumatic Stress (STS), secondary exposure to trauma is now considered a valid DSM-5 Criterion A stressor for posttraumatic stress disorder (PTSD). Previous studies have found high rates of STS in clinicians who treat traumatically injured patients. However, little research has examined STS among Emergency Medicine (EM) physicians and advanced practice providers (APPs). The current study enrolled EM providers (N = 118) working in one of 10 hospitals to examine risk factors, protective factors, and the prevalence of STS in this understudied population. Most of the participants were physicians (72.9%), Caucasian (85.6%), and male (70.3%) with mean age of 39.7 (SD = 8.9). Overall, 12.7% of the sample screened positive for STS with clinical levels of intrusion, arousal, and avoidance symptom clusters, and 33.9% had at least one symptom cluster at clinical levels. Low resilience and a history of personal trauma were positively associated with positive STS screens and STS severity scores. Borderline significance suggested that female gender and spending ≥10% of one’s time with trauma patients could be additional risk factors. Findings suggest that resilience-building interventions may be beneficial. 相似文献
39.
Philip Lindner Alexander Miloff William Hamilton Lena Reuterskiöld Gerhard Andersson Mark B. Powers 《Cognitive behaviour therapy》2017,46(5):404-420
Decades of research and more than 20 randomized controlled trials show that Virtual Reality exposure therapy (VRET) is effective in reducing fear and anxiety. Unfortunately, few providers or patients have had access to the costly and technical equipment previously required. Recent technological advances in the form of consumer Virtual Reality (VR) systems (e.g. Oculus Rift and Samsung Gear), however, now make widespread use of VRET in clinical settings and as self-help applications possible. In this literature review, we detail the current state of VR technology and discuss important therapeutic considerations in designing self-help and clinician-led VRETs, such as platform choice, exposure progression design, inhibitory learning strategies, stimuli tailoring, gamification, virtual social learning and more. We illustrate how these therapeutic components can be incorporated and utilized in VRET applications, taking full advantage of the unique capabilities of virtual environments, and showcase some of these features by describing the development of a consumer-ready, gamified self-help VRET application for low-cost commercially available VR hardware. We also raise and discuss challenges in the planning, development, evaluation, and dissemination of VRET applications, including the need for more high-quality research. We conclude by discussing how new technology (e.g. eye-tracking) can be incorporated into future VRETs and how widespread use of VRET self-help applications will enable collection of naturalistic “Big Data” that promises to inform learning theory and behavioral therapy in general. 相似文献
40.
This paper examines the dilemmas psychodynamic clinicians face in dealing with the challenges of the current clinical climate. We look to our theories, to the evolution of psychodynamic technique and to the collaborative nature of the therapeutic endeavor as they relate to the goals of psychotherapy. A case illustration is provided, and guidelines are offered for current professional practice. 相似文献