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961.
In Experiment 1 pigeons pecked a key that was illuminated with a 501-nm light and obtained food by doing so according to a variable-interval (VI) schedule of reinforcement, the mean value of which differed across groups: either 30 s, 120 s, or 240 s. The pigeons in all three groups were trained for 10 50-min sessions. Generalization testing was conducted in extinction with different wavelengths of light. Absolute and relative generalization gradients were similar in shape for the three groups. Experiment 2 was a systematic replication of Experiment 1 using line orientation as the stimulus dimension and a mean VI value of either 30 s or 240 s. Again, gradients of generalization were similar for the two groups. In Experiment 3 pigeons pecked a key that was illuminated with a 501-nm light and obtained food reinforcers according to either a VI 30-s or a 240-s schedule. Training continued until response rates stabilized (> 30 sessions). For subjects trained with the 30-s schedule, generalization gradients were virtually identical regardless of whether training was for 10 sessions (Experiment 1) or until response rates stabilized. For subjects trained with the VI 240-s schedule, absolute generalization gradients for subjects trained to stability were displaced upward relative to gradients for subjects trained for only 10 sessions (Experiment 1), and relative generalization gradients were slightly flatter. These results indicate that the shape of a generalization gradient does not necessarily depend on the rate of reinforcement during 10-session single-stimulus training but that the effects of prolonged training on stimulus generalization may be schedule dependent. 相似文献
962.
The studies reported here investigated the role of background music in verbal processing. The experiment was a partial replication
of Salame and Baddeley (1989), where the effect of music on the recall of digits, was examined, but included an additional
key condition where participants heard instrumental music without the words usually associated with it. In this case we used
nursery rhymes. In addition, articulatory suppression was manipulated as a tool to look at the role of working memory in the
task. The relationship between long-term memory and working memory was further explored by using an implicit memory task to
examine verbal memory effects for words associated with the music but not actually heard. The results indicated that background,
instrumental music, long-associated with words, significantly impairs concurrent verbal processing. These long-term memory
effects on working memory were, however, not associated with implicit memory effects, and no priming was observed. 相似文献
963.
964.
Melanie S. Harned Sara C. Schmidt Kathryn E. Korslund Robert J. Gallop 《Behavior Therapy》2021,52(3):639-655
The Dialectical Behavior Therapy Prolonged Exposure (DBT PE) protocol improves DBT’s effects on PTSD in research settings, but its effectiveness in community settings is largely unknown. This pilot nonrandomized controlled trial examined DBT with and without DBT PE in four public mental health agencies. Patients (N = 35, 12-56 years old, 80.0% female, 64.7% racial/ethnic minorities, 44.1% sexual minorities) had PTSD, were receiving DBT, and completed assessments every four months over one year. Sixteen patients (45.7%) initiated DBT PE, 19 (54.3%) did not, and dropout did not differ between groups (31.3% vs. 26.3%). The primary barrier to initiating DBT PE was clinician turnover (57.9% of non-initiators). After adjusting for confounds, DBT PE initiators (g = 1.1) and completers (g = 1.4) showed a greater reduction in PTSD than patients who received DBT only (g = 0.5; p’s < .05). Rates of reliable improvement in PTSD were 71.4% (DBT PE completers), 53.8% (DBT PE initiators), and 31.3% (DBT). Similar patterns were observed for posttraumatic cognitions, emotion dysregulation, general psychological distress, and limited activity days. There was no worsening of self-injurious behavior or crisis service use among patients who received DBT PE. Benchmarking analyses indicated comparable feasibility, acceptability, and safety, but a smaller magnitude of clinical change, than in efficacy studies. Results require replication in a randomized trial but suggest that DBT PE can be transported effectively to community settings. 相似文献
965.
Szkody Erica Stearns Melanie McKinney Cliff 《Journal of psychopathology and behavioral assessment》2021,43(2):343-354
Journal of Psychopathology and Behavioral Assessment - The Child Behavior Checklist-Dysregulation Profile has been utilized as a potential predictive measure of future psychopathology among... 相似文献
966.
Chou Jonathan C. Li Jennifer J. Chau Brandon T. Walker Tamar V. L. Lam Barbara D. Ngo Jacqueline P. Kapetanovic Suad Schaff Pamela B. Vo Anne T. 《The Journal of medical humanities》2021,42(4):659-678
Journal of Medical Humanities - In 2018-2019, at the Keck School of Medicine of the University of Southern California (KSOM), we developed and piloted a narrative-based health systems science... 相似文献
967.
Klaus-Peter Dahle Marie J. Hamatschek Melanie S. Richter Joscha Hausam 《Forensische Psychiatrie, Psychologie, Kriminologie》2018,12(4):329-343
Throughout the past decades evaluation studies on sexual offender treatment have led to controversies. While numerous studies examined the effectiveness of different interventions, the possible underlying mediating mechanisms have largely been neglected. This study took a multimethod approach to investigate the measurability of change processes in sexual offenders serving a sentence in the social therapeutic institution (SothA) of the detention center in Tegel, Germany (n?=?105). A longitudinal design with three groups (i.e. waiting group, treatment group and day release group) from four perspectives on change processes (i.e. external criminal prognostic assessment, therapists’ view, staff observation and clients’ perspective) was employed. Most criminal prognostic risk and protective factors improved over the course of treatment and this effect was smallest in the waiting group. While therapists reported increased therapeutic constraints in the course of treatment, they were more favorable in the criminal prognosis and detected more differentiated patterns of needs and resources of clients as conceptualized by the primary and secondary assets of the good lives model (GLM). In contrast, during the course of treatment the sexual offenders showed an increased awareness of the criminogenically relevant problems in the sexual domain. Nonetheless, the overall number of problems they identified as criminogenically relevant decreased. The internal problem attribution in the sense of internal causes (“It is my fault”) and capability of change (“Only I can solve the problem”) was increased. The stronger the clients’ perception of own problems in the sexual context increased over the course of treatment, the more positive the change in the staff’s view of their behavior became and the more their dynamic risk factors improved. Overall, this study found strong evidence that change processes in SothA might already be detectable during ongoing social treatment. It is currently uncertain whether these changes influence future recidivism. A comparison with recidivism data is necessary and in planning. 相似文献
968.
Doddering but dear … even in the eyes of young children? Age stereotyping and prejudice in childhood and adolescence
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Christin‐Melanie Vauclair Ricardo Borges Rodrigues Sibila Marques Carla Sofia Esteves Filipa Cunha Filomena Gerardo 《International journal of psychology》2018,53(Z1):63-70
This study aims to explore age prejudice, and to examine age stereotyping in children and adolescents by adopting the Stereotype Content Model (SCM) as a theoretical framework. It was hypothesised that children are socialised into adopting an ambivalent representation of old age (socialisation hypothesis) and that this cognitive bias becomes weaker in adolescence due to greater cognitive maturity (developmental hypothesis). By analysing representative data from Portugal (European Social Survey; N = 2367), it was ascertained that the ambivalent age stereotype (higher evaluations of warmth than competence for older people) is indeed a shared social representation of older people in Portuguese society. A total of 103 Portuguese children (6–10 year olds) and adolescents (11–15 year olds) were then sampled from a local school and responded to age‐appropriate measures assessing age prejudice as well as age stereotypes. Contrary to previous studies, the findings do not provide evidence for the existence of age prejudice because both children and adolescents reported positive feelings towards older people. However, the socialisation hypothesis was corroborated by showing that the ambivalent old age stereotype was already present in childhood. Contrary to the stipulated developmental hypothesis, the magnitude of this cognitive bias was very similar in adolescence. 相似文献
969.
Mike C. Parent Melanie E. Brewster Stephen W. Cook Kevin A. Harmon 《Journal of religion and health》2018,57(5):1690-1701
Studies using minority stress theory have focused on the experiences of numerical and social power minorities, though majority individuals may also perceive themselves to be minorities. We explored minority stress theory among a sample of members of a numerically and socially dominant group: Christians in the USA. Perceiving oneself to be a member of a minority as a Christian was associated with stress indirectly via perceived experiences of faith-based discrimination (i.e., harassment due to being Christian). Being more open about one’s religion moderated the relationship between experiences of faith-based discrimination and stress, such that those who were open about their faith reported a stronger relationship between experiences of faith-based discrimination and stress. These findings indicate that perceptions of minority status are important to understanding stress and have implications for minority/majority dialogues. 相似文献
970.
The Effects of Differing Knowledge Transfer Strategies on Group Decision Making and Performance
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Encouraging reflection on one's existing knowledge in a group setting increases shared understanding, makes information available for problem solving, and makes it easier for members to show and to be shown the merit of others' preferences. However, it is also possible that attempting to constrain the process by which problem solvers manage this reflection process may prevent them from effectively tailoring their approach to different problems. The current research focuses on how the nature of different knowledge transfer strategies impacts problem solving processes and outcomes by examining manipulations of, or constraints to, problem solvers' approach to knowledge transfer. Participants were directed to generate associated knowledge in preparation for answering a series of estimation items, either in a group or individually. We found that groups using a shared reflection process (as opposed to reflecting at an individual member level) were able to give more weight to the inputs of their more expert members and that groups outperformed individuals. We discuss the process of promoting knowledge transfer in a group context relative to an individual context and relate this to the concept of task demonstrability. Copyright © 2017 John Wiley & Sons, Ltd. 相似文献