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排序方式： 共有274条查询结果，搜索用时 15 毫秒
191.
Svenja Taubner Horst Kächele Annette Visbeck Andreas Rapp Rolf Sandell 《欧洲心理治疗、咨询与健康杂志》2013,15(4):361-381
Aim: This study aims to explore if and how values and attitudes from trainees of different psychotherapeutic schools vary during training. Another aim has been to evaluate the extent of their therapeutic self-confidence during training. Methods: In a cross-sectional study, 171 trainees in German institutes with different theoretical orientations (Psychoanalysis – PA, Psychodynamic Therapy – PT and Cognitive Behavioral Therapy – CBT) participated. Results are reported for two questionnaires: Therapeutic-Attitudes-Candidate-Version (ThAT-CV) and Work-Involvement-Scales (WIS). Results: Therapeutic attitudes showed significant differences between trainees with different theoretical orientations but no significant difference between different levels of training within the same school. Whereas the PA and CBT trainees endorsed contrasting attitude profiles, the PT group displayed less differentiated attitudes in between those contrasts. Most trainees experienced their psychotherapeutic practice as challenging, and Stressful Involvement in therapy sessions was lower with more years in training. Female trainees reported more Healing Involvement and felt more competent in general than their male colleagues. Self-reported competence was higher the more congruent the trainees’ attitudes with their school's theoretical orientation. Conclusions: The ThAT-CV discriminates significantly between trainees of different therapeutic schools. Our sample demonstrates high identification with attitudes belonging to their theoretical orientation. This may account for high ratings of self-reported therapeutic competence. Attitudes seem to be formed before training and change little thereafter. Less differentiated attitudes may explain PT-trainees’ higher levels of Stressful Involvement. 相似文献
192.
In this article, we describe a test of the active time model for concurrent variable interval (VI) choice. The active time model (ATM) suggests that the time since the most recent response is one of the variables controlling choice in concurrent VI VI schedules of reinforcement. In our experiment, pigeons were trained in a multiple concurrent similar to that employed by Belke (1992), with VI 20-s and VI 40-s schedules in one component, and VI 40-s and VI 80-s schedules in the other component. However, rather than use a free-operant design, we used a discrete-trial procedure that restricted interresponse times to a range of 0.5-9.0 s. After 45 sessions of training, unreinforced probe periods were mixed with reinforced training periods. These probes paired the two stimuli associated with the VI 40-s schedules. Further, the probes were defined such that during their occurrence, interresponse times were either \"short\" (0.5-3.0 s) or \"long\" (7.5-9.0 s). All pigeons showed a preference for the stimulus associated with the relatively rich VI 40-s schedule--a result mirroring that of Belke. We also observed, though, that this preference was more extreme during long probes than during short probes--a result predicted by ATM. 相似文献
193.
High expectancies of success are widely assumed to have positive effects on performance in achievement situations. However, previous investigations have tended to ignore task difficulty or assume that expectancies affect performance in a linear fashion. In two investigations, we found that (a) expectancies were more closely related to performance at difficult tasks than easy tasks and (b) low expectancies produced the poorest levels of performance, but moderate and high expectancies were equally advantageous. The practical, methodological, and theoretical implications of these findings are considered.This research was supported by a Presidential Young Investigator Award from the National Science Foundation (SBR-8958211) to Jonathon D. Brown, and a National Science Foundation graduate fellowship to Margaret A. Marshall. 相似文献
194.
Porzsolt F Schlotz-Gorton N Biller-Andorno N Thim A Meissner K Roeckl-Wiedmann I Herzberger B Ziegler R Gaus W Pöppe E 《Science and engineering ethics》2004,10(1):119-132
Using placebos in day-to-day practice is an ethical problem. This paper summarises the available epidemiological evidence
to support this difficult decision. Based on these data we propose to differentiate between placebo and “knowledge framing”.
While the use of placebo should be confined to experimental settings in clinical trials, knowledge framing — which is only
conceptually different from placebo — is a desired, expected and necessary component of any doctor-patient encounter. Examples
from daily practice demonstrate both, the need to investigate the effects of knowledge framing and its impact on ethical,
medical, economical and legal decisions.
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
195.
Stephanie Alves Anne Milek Guy Bodenmann Ana Fonseca Maria C. Canavarro Marco Pereira 《Personal Relationships》2019,26(2):286-309
This study explored the mediating role of common dyadic coping (common DC) on the longitudinal associations between attachment‐related anxiety and avoidance and parental adjustment to the first year postpartum. A total of 92 Portuguese couples completed self‐report questionnaires of romantic attachment, common DC, parenting stress, and parental confidence. Results showed that more avoidant parents (at mid‐pregnancy) engaged less in common DC (at 6 weeks postpartum), which consequently increased their partner's parenting stress (only in mothers) and decreased their partner's parental confidence (in both parents) at 6–9 months postpartum. Anxious attachment did not predict parents' adjustment directly or indirectly. Interventions aimed at preventing adjustment difficulties to early parenthood in more avoidant parents should focus on enhancing their common DC strategies soon after childbirth. 相似文献
196.
Confidence intervals (CIs) are fundamental inferential devices which quantify the sampling variability of parameter estimates. In item response theory, CIs have been primarily obtained from large-sample Wald-type approaches based on standard error estimates, derived from the observed or expected information matrix, after parameters have been estimated via maximum likelihood. An alternative approach to constructing CIs is to quantify sampling variability directly from the likelihood function with a technique known as profile-likelihood confidence intervals (PL CIs). In this article, we introduce PL CIs for item response theory models, compare PL CIs to classical large-sample Wald-type CIs, and demonstrate important distinctions among these CIs. CIs are then constructed for parameters directly estimated in the specified model and for transformed parameters which are often obtained post-estimation. Monte Carlo simulation results suggest that PL CIs perform consistently better than Wald-type CIs for both non-transformed and transformed parameters. 相似文献
197.
Groups typically express more confidence than individuals, yet how individual‐level confidence combines during collaborative decision tasks is not well understood. We prescreened 686 community members using a novel confidence measure (a true/false trivia test) intentionally designed to be difficult (accuracy rates were not significantly better than chance) and randomly assigned 72 individuals to collaborate on a matched version of the same test in dyads composed of two low‐confidence individuals, two high‐confidence individuals, or one of each (“mixed”). Consistent with past research, we found that the confidence expressed by dyads was higher than the confidence expressed by individuals; importantly, however, this pattern varied markedly by dyad type, with low‐confidence dyads showing the largest increase, mixed dyads showing a moderate increase, and high‐confidence dyads showing no increase—despite the fact that all dyads showed similarly low accuracy (about 55%). These results highlight the conditions under which groups express greater confidence than individuals and offer insights for the composition of collaborative decision‐making teams. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
198.
Across a wide variety of situations, exposure to anchors has been shown to bias people's estimates. What is not known, however, is whether externally provided anchors influence the confidence that people have in their estimates. Our studies had two goals. First, we tested whether exposure to anchors influenced people's subjective confidence levels (Studies 1 and 2). These studies revealed that people who made estimates after making comparisons with externally provided anchors tended to be more confident in their estimates than people who did not see anchors. The second goal was to test two explanations as to why anchors increase people's confidence. In Study 3, we tested the explanation that anchors increase confidence because participants thought the anchors provided useful information. In Study 4, we tested the explanation that exposure to anchors causes people to consider a narrower range of plausible values as compared to when not exposed to anchors. Support was found only for the explanation that comparisons with anchors increase confidence because people who are exposed to anchors consider a narrower range of plausible values. Taken together, these studies reveal the powerful influence anchors can have—they not only bias estimates, but also increase people's confidence in their biased estimates. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
199.
Forecasts of future outcomes, such as the consequences of climate change, are given with different degrees of precision. Logically, more precise forecasts (e.g., a temperature increase of 3–4°) have a smaller probability of capturing the actual outcome than less precise forecasts (e.g., a temperature increase of 2–6°). Nevertheless, people often trust precise forecasts more than vague forecasts, perhaps because precision is associated with knowledge and expertise. In five experiments, we ask whether people expect highly confident forecasts to be associated with wider or narrower outcome ranges than less confident forecasts (Experiments 1, 2, and 5), and, conversely, whether they expect precise forecasts to be issued with higher or lower confidence than vague forecasts (Experiments 3 and 4). The results revealed two distinct ways of thinking about confidence intervals, labeled distributional (wide intervals seen as more probable than narrow intervals) and associative (wide intervals seen as more uncertain than narrow intervals). Distributional responses occurred somewhat more often in within‐subjects designs, where wide and narrow prediction intervals and high and low probability estimates can be directly compared, whereas separate evaluations (in between‐subjects design) suggested associative responses to be slightly more frequent. These findings are relevant for experts communicating forecasts through confidence intervals. Copyright © 2017 John Wiley & Sons, Ltd. 相似文献
200.
《Journal of Investigative Psychology & Offender Profiling》2017,14(3):294-306
The present study examined whether a modified form of a preidentification confidence rating would provide evidence of a suspect's guilt in addition to the identification decision confidence. Participants (N = 241) viewed a videotaped mock crime and were presented with a target‐present or target‐absent simultaneous, sequential, elimination, or elimination‐plus lineup procedure; both elimination procedures required 2 separate judgments from the witness (i.e., relative and absolute). The elimination‐plus procedure was identical to that of the elimination procedure with the addition of the confidence rating in between judgment 1 and judgment 2. Confidence after judgment 1, confidence after judgment 2, and the average of the 2 confidence ratings with the elimination‐plus procedure significantly predicted accuracy for choosers. Given that confidence has been recognised by the Supreme Court of the United States, these results shed light on a novel way of utilising confidence in the investigative process. 相似文献