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171.
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The present research demonstrates a so far unrecognized impediment of group performance, metacognitive myopia (Fiedler, 2012). Judges and decision-makers follow the given samples of information uncritically and neglect the metacognitive assessment of the samples' validity. Applying this notion to dyadic judgments, we instructed dyads to jointly estimate conditional probabilities p (Win|A) and p (Win|B) of Lotteries A and B. One person per dyad experienced a valid sample (winning rates conditional on lotteries). The other person experienced an invalid, reverse sample (lotteries conditional on winning). Whereas valid samples provide unbiased estimates of lotteries' winning probabilities, invalid samples can greatly misrepresent the association of winning and lotteries (depending on lottery base rates). Across three experiments, metacognitive myopia—both at the individual and at the dyadic group level—prevented participants from discriminating valid and invalid samples. Group judgments were biased toward erroneous implications of invalid samples, reflecting an equality bias among unequal group members. 相似文献
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Krämer M Seefeldt WL Heinrichs N Tuschen-Caffier B Schmitz J Wolf OT Blechert J 《Journal of abnormal child psychology》2012,40(1):95-104
Reports of exaggerated anxiety and physiological hyperreactivity to social-evaluative situations are characteristic of childhood
social phobia (SP). However, laboratory research on subjective, autonomic and endocrine functioning in childhood SP is scarce,
inconsistent and limited by small sample sizes, limited breadth of measurements, and the use of non-standardized stressor
tasks. We exposed 8–12-year-old children with DSM-IV SP (n = 41) and matched healthy control children (HC; n = 40) to the Trier Social Stress Test for Children (TSST-C) while measuring subjective anxiety, heart rate (HR) and salivary
alpha-amylase (sAA) as well as salivary cortisol. The SP children showed heightened reactivity to the TSST-C on subjective
anxiety compared to the HC children but not a heightened reactivity in HR, sAA or cortisol. However, the SP children showed
chronically elevated HR levels throughout the whole laboratory session. Whereas subjective anxiety seems to respond specifically
to social-evaluative stress in childhood SP, HR levels may be chronically elevated suggesting a more generalized autonomic
hyperreactivity. 相似文献
175.
Retrieval-induced forgetting (RIF) refers to the finding that retrieval of a subset of previously studied material can cause forgetting of related unpractised material. Prior work on the role of delay between practice and test for RIF reported mixed results. Whereas some studies found RIF to be a relatively transient phenomenon, others found RIF to persist over time. We examined whether the persistence of RIF can depend on whether wakefulness or sleep follows retrieval practice. We employed a variant of the retrieval-practice paradigm with short (20 minutes) and long (12 hours) delay conditions. In all conditions participants studied a perceptually categorised list followed by retrieval practice on some of the items from some of the categories. Participants studied and practised the material in the morning or the evening. RIF was present in the short-delay conditions, and it was present in the long-delay condition if the delay included nocturnal sleep; if the long delay was filled with diurnal wakefulness, RIF was absent. Results show that whether delay eliminates RIF or not can depend on whether sleep or wake follows retrieval practice. Connections of the results to recent findings about the role of delay and sleep for RIF are discussed. 相似文献
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André Krügel Fran?oise Vitu Ralf Engbert 《Attention, perception & psychophysics》2012,74(8):1556-1561
During reading, saccadic eye movements are generated to shift words into the center of the visual field for lexical processing. Recently, Krügel and Engbert (Vision Research 50:1532?C1539, 2010) demonstrated that within-word fixation positions are largely shifted to the left after skipped words. However, explanations of the origin of this effect cannot be drawn from normal reading data alone. Here we show that the large effect of skipped words on the distribution of within-word fixation positions is primarily based on rather subtle differences in the low-level visual information acquired before saccades. Using arrangements of ??x?? letter strings, we reproduced the effect of skipped character strings in a highly controlled single-saccade task. Our results demonstrate that the effect of skipped words in reading is the signature of a general visuomotor phenomenon. Moreover, our findings extend beyond the scope of the widely accepted range-error model, which posits that within-word fixation positions in reading depend solely on the distances of target words. We expect that our results will provide critical boundary conditions for the development of visuomotor models of saccade planning during reading. 相似文献
179.
Previous research showed that supervision during psychotherapy training sometimes includes negative alliance and harmful events. The aim of this study was to investigate how such events were related to failing psychotherapy training. Interviews were made with informants from two separate samples: psychotherapy students who had failed training (n = 6) and supervisors with experience from failing students (n = 6). The interviews were analyzed separately for the two samples with inductive thematic analysis and then compared. The core category for students (‘Paradoxical response’) indicated that they experienced their supervisors as either demanding too much or nothing at all. The core category for supervisors (‘Balancing contradictory demands’) indicated that they wanted to fail students who did not live up to expectations but were pressured by training institutes to let them pass. Both students and supervisors experienced distress but it seemed that they were not fully aware of each other’s vulnerability. The results suggest that a weak supervisory alliance and harmful events may contribute to student failures, independently of students’ actual suitability for psychotherapy. 相似文献
180.
Juliane Bräuer Magdalena Keckeisen Andrea Pitsch Juliane Kaminski Josep Call Michael Tomasello 《Animal cognition》2013,16(3):351-359
A number of studies have shown that dogs are sensitive to a human’s perspective, but it remains unclear whether they use an egocentric strategy to assess what humans perceive. We investigated whether dogs know what a human can see and hear, even when the dogs themselves are unable to see the human. Dogs faced a task in which forbidden food was placed in a tunnel that they could retrieve by using their paw. Whereas the dogs could not see the experimenter during their food retrieval attempts, the experimenter could potentially see the dog’s paw. In the first experiment, dogs could choose between an opaque and a transparent side of the tunnel, and in the second experiment, they could choose between a silent and a noisy approach to the tunnel. The results showed that dogs preferred a silent approach to forbidden food but they did not hide their approach when they could not see a human present. We conclude that dogs probably rely on what they themselves can perceive when they assess what the human can see and hear. 相似文献