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11.
Marcelo A. Falappa Gabriele Kern-Isberner Maurício D. L. Reis Guillermo R. Simari 《Journal of Philosophical Logic》2012,41(1):77-113
In this article we explore multiple change operators, i.e., operators in which the epistemic input is a set of sentences instead
of a single sentence. We propose two types of change: prioritized change, in which the input set is fully accepted, and symmetric
change, where both the epistemic state and the epistemic input are equally treated. In both kinds of operators we propose
a set of postulates and we present different constructions: kernel changes and partial meet changes. 相似文献
12.
Heather Barry Kappes Gabriele Oettingen Doris Mayer 《European journal of social psychology》2012,42(1):53-64
Unlike other forms of positive thinking (e.g., expectations), research finds that positive fantasies (experiencing one's thoughts and mental images about the future positively) predict low effort and little success in several domains. However, for vocational education students of low socioeconomic status and minority ethnicity, for whom the present environment is especially difficult, perhaps it would be appropriate to indulge in positive fantasies that depict the future as bright and easily attained. Three studies show that this is not the case. Positive future fantasies measured early in the program predicted more days absent (Studies 2–3) and lower grades at the end of the program (Studies 1–3), even when adjusting for initial academic competence, expectations of successful achievement, and self‐discipline. Expectations of successful achievement predicted fewer days absent and higher grades only when measured midway through the school year, once participants had experience with their own academic standing (Study 3). Results indicate that positive fantasies, which allow people to indulge in images of a bright future, predict poor achievement even in vocational students immersed in a particularly difficult environment. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
13.
Heather Barry Kappes Elizabeth J. Stephens Gabriele Oettingen 《Journal of research in personality》2011,45(3):269-278
We hypothesized and observed that the degree to which students endorsed entity theories - the view that intelligence is fixed rather than malleable - attenuated the affective benefits and exacerbated the achievement drawbacks of positive fantasies in the academic domain. Positive fantasies only predicted low anger and anxiety for schoolchildren who did not strongly endorse entity theories (Study 1), and positive fantasies only predicted poor final school grades for vocational students who did strongly endorse entity theories (Study 2). An experiment indicated that for university students with stronger entity theories, positive fantasies demanded relatively little attention (Study 3), suggesting that positive fantasies obscure the opportunity for the preemptive self-regulation which promotes successful performance. 相似文献
14.
Anton Gollwitzer Gabriele Oettingen Teri A. Kirby Angela L. Duckworth Doris Mayer 《Motivation and emotion》2011,35(4):403-412
Two brief intervention studies tested whether teaching students to mentally contrast a desired future with its present reality
resulted in better academic performance than teaching students to only think about the desired future. German elementary school
children (N = 49; Study 1) and US middle school children (N = 63; Study 2) from low-income neighborhoods who were taught mental contrasting achieved comparatively higher scores in learning
foreign language vocabulary words after 2 weeks or 4 days, respectively. Results have implications for research on the self-regulation
of commitment to solve assigned tasks in classroom settings, and for increasing academic performance in school children in
low-income areas. 相似文献
15.
People’s beliefs concerning their abilities differ. Incremental theorists believe their abilities (e.g., intelligence) are malleable; entity theorists believe their abilities are fixed (Dweck in Mindset: the new psychology of success. Random House, New York, 2007). On the basis that incremental theorists should emphasize improving their abilities for the future, whereas entity theorists should emphasize demonstrating their abilities in the present reality, we predicted that, when thinking about their wishes, compared to entity theorists, incremental theorists focus more toward the desired future than the present reality. We assessed participants’ motivational focus using a paradigm that differentiated how much they chose to imagine the desired future versus the present reality regarding an important wish (Kappes et al. in Emotion 11: 1206–1222, 2011). We found the predicted effect by manipulating (Study 1) and measuring implicit theories (Study 2), in the academic (Study 1) and in the sport domain (Study 2). 相似文献
16.
Steven Sweldens Stefano Puntoni Gabriele Paolacci Maarten Vissers 《Organizational behavior and human decision processes》2014
We present a new event-level predictor of comparative optimism: comparative optimism is larger for more socially undesirable events. A meta-analysis shows that event social undesirability predicts comparative optimism effect sizes reported in the literature, over and above the effects of other known predictors. Four experiments corroborate this finding and demonstrate the key role played by respondents’ impression management motives. The effect of social undesirability decreases with stronger than usual anonymity assurances, increases with greater impression management tendencies, and reverses when people want to make a negative impression. Because social undesirability is correlated to other known predictors of comparative optimism (e.g., controllability, severity), it is important to take its effects into account when assessing the effect of other event characteristics. The current research adds to, and bridges, the literatures on event-level predictors and impression management in comparative optimism. 相似文献
17.
This study was designed to adapt and to assess the reliability and factor structure of an Italian translation of the full and short form of the Posttraumatic Growth Inventory. A sample of 1,244 Italian adults who had experienced a range of adverse life events participated in this study. Five models of the underlying structure of the Posttraumatic Growth Inventory were tested via confirmatory factor analyses. Analyses of both the short and full form of the PTGI provided support for the original correlated five-factor structure. Multigroup confirmatory factor analysis supported the invariance of the Posttraumatic Growth Inventory across gender. 相似文献
18.
Ana V. Nikčević Gabriele Caselli Deborah Green Marcantonio M. Spada 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》2014,32(4):248-256
Both perceived stress and negative recurrent thinking (rumination and worry) have been associated with depressive symptoms. However, no research to date has investigated the association between perceived stress and negative recurrent thinking. In the present study we aimed to explore whether perceived stress and negative recurrent thinking are associated and whether negative recurrent thinking moderates the relationship between perceived stress and depressive symptoms. A convenience sample of 273 undergraduate students completed the Perceived Stress Scale, the Ruminative Responses Scale-10, the Penn State Worry Questionnaire and the Hospital Anxiety and Depression Scale 2 weeks prior to sitting mid-year examinations. Correlation analyses showed that perceived stress, rumination and worry were positively and significantly associated with depressive symptoms and that perceived stress was positively and significantly associated with rumination and worry. A moderation analysis confirmed that negative recurrent thinking moderated the relationship between perceived stress and depressive symptoms. The implications of these findings are discussed. 相似文献
19.
Francesco Montani Véronique Dagenais-Desmarais Gabriele Giorgi Simon Grégoire 《Journal of business and psychology》2018,33(1):123-139
The present study aimed to clarify the inconsistent relationship between negative affect and innovative work behaviour by taking into account the role of affect activation and mindfulness. Building on the conservation of resources theory, we hypothesized that low-activated negative affect can be associated with increased innovativeness, but only for employees with high levels of mindfulness. Conversely, high-activated negative affect is expected to have a positive, direct relationship with innovative work behaviour. Data were collected from two independent samples, namely 163 French Canadian and 101 Italian employees. Consistent with our predictions, multiple regression analysis results showed that low-activated negative affect was positively related to innovative behaviour only when mindfulness was high (vs. low), whereas high-activated negative affect was directly associated with higher innovativeness. Our findings challenge the assumption that low-activated negative affects are associated with undermined innovative behaviour, suggesting that these affective states can be related to increased innovativeness if employees are mindful. On the other hand, they support the view that high-activated negative affects provide the energizing potential for instigating innovative actions. This study is unique in examining mindfulness as a moderator that is capable of shaping the link between deactivating negative affect and employee innovativeness. As such, it answers recent calls for research on how mindfulness can contribute to workplace functioning. Moreover, this is the first study to take into account the role of activation level in the negative affect-innovative work behaviour relationship. 相似文献
20.