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Cardoso de Oliveira S 《Journal of motor behavior》2004,36(4):375-8, 402-7; discussion 408-17
Franz Mechsner (2004) suggests that movements are exclusively controlled with respect to the effects that they cause in the external world and that motor control can be reduced to prediction of movement effects. Although predictive mechanisms certainly deserve a lot more attention than they have received in the past, the author argues here that prediction and control must necessarily work together to build a flexible and effective motor system.  相似文献   

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Previous research has consistently shown that individuals with delusions typically exhibit a jumping‐to‐conclusions (JTC) bias when administrated the probabilistic reasoning ‘beads task’ (i.e., decisions made on limited evidence and/or decisions over‐adjusted in light of disconfirming evidence). However, recent work in this area has indicated that a lack of comprehension of the task may be confounding this finding. The purpose of the present study was to evaluate the influence of task administration, delusion‐proneness, and miscomprehension on the elucidation of the JTC bias. A total of 92 undergraduate university students were divided into one of two task conditions (i.e., non‐computerised and computerised) and were further identified as either delusion‐prone or non‐delusion‐prone and as comprehending or non‐comprehending the task. Overall, 25% of the sample demonstrated a JTC bias, and just over half made illogical responses consistent with a failure to comprehend the task. Qualitative evidence of comprehension revealed that these ‘illogical responses’ were being driven by a misunderstanding of task instructions. The way the task was administrated and levels of delusion‐proneness did not significantly influence JTC. However, miscomprehending participants were significantly more likely to exhibit the bias than those who did comprehend. These results suggest that miscomprehension rather than delusion‐proneness may be driving the JTC bias, and that future research should include measures of miscomprehension.  相似文献   

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Previous research has documented self‐enhancement and relationship partner‐enhancement motivations, but not examined whether individuals view themselves or their partners more favorably, overall. The authors conducted three studies that revealed a general tendency to favor oneself over one's partner in direct self–partner personality comparisons. This illustrated a motivational precedence of self‐enhancement over partner‐enhancement goals. In Study 1, participants rated self‐only traits more favorably than partner‐only traits. In Studies 2 and 3, participants rated desirable traits as more characteristic of themselves than their partner, particularly when traits were more relevant to personal than relationship success. The authors also found that this self‐favoring bias was weaker (typically nonexistent) among those with higher relationship satisfaction, lower self‐esteem, or lower self‐deceptive tendencies. The authors discuss practical, theoretical, and methodological implications.  相似文献   

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Abstract: Windschitl and Wells (1998 ) proposed that the pairwise comparison between the focal and strongest alternative outcomes plays an important role in probability judgment. However, their studies did not control the effects of alternative outcomes other than the strongest one. This article tested whether only the strongest alternative outcome would affect probability judgment, using a variable selection method in a multiple regression analysis. Study 1 reanalyzed the results of Windschitl and Young (2001 ) and showed that only the strongest alternative outcome affects probability judgment. In Study 2, a new experiment was conducted to modify the methodological problems in Study 1. The results of Study 2 were identical to those of Study 1. All these results consistently supported the comparison hypothesis.  相似文献   

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In a series of four experiments, we examined the impact of disfluency in multimedia learning by testing contrasting predictions derived from disfluency theory and cognitive load theory against each other. Would a less legible text be beneficial to learning when accompanied by pictures, and what would be the role of less legible pictures? Students (N = 308) learned with text and pictures that were either easy‐to‐read (i.e., fluent) or harder‐to‐read (i.e., disfluent) about how a toilet flush works (Experiments 1–3) and about how lightning develops (Experiment 4). In line with disfluency theory, a disfluent text led to better performance in the transfer test and to more invested mental effort in Experiment 1. However, these beneficial effects could not be replicated in Experiments 2, 3, and 4, leaving open questions regarding the stability and generalizability of the disfluency effect, and thus raising concerns regarding its impact for educational practice. Copyright © 2014 John Wiley & Sons, Ltd.  相似文献   

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Researchers argue that the effectiveness of cognitive versus affective persuasive appeals depends in part on whether the appeal is congruent or incongruent with a primarily cognitive or affective attitude base. However, considerable research suggests that these persuasion effects may hold only for predominantly affective attitudes and not cognitive attitudes. Indeed, results of Experiment 1 show that the relative effectiveness of congruent relative to incongruent persuasion appeals holds for brands with predominantly affective associations, but not those with predominantly cognitive associations. Experiment 2 explores one reason for this anomalous finding: Cognitive attitudes may be relatively impervious to persuasive appeals because the probability of targeting the specific attribute on which the cognitive attitude is based is smaller. The results are supportive, showing that significant persuasion effects are found when the specific beliefs on which cognitive attitudes are based are taken into account. However, these effects only occur under conditions of low cognitive load and not high cognitive load where resources for the cognitive processing of the appeals are limited. We discuss the implications of the research for the role of attitude structure in understanding persuasion effects and the interplay of affective and cognitive elements in persuasion processes.  相似文献   

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Armed conflict necessitates the ability to quickly distinguish friend from foe. Failure to make accurate shooting decisions may result in harm either to oneself or to innocent others. The factors that predict such rapid decision making, however, remain unclear. Based on social defense theory, we contend that people high on attachment anxiety possess characteristics that are particularly advantageous in this domain such that anxiously attached individuals will show greater vigilance and accuracy in a realistic shooting paradigm in which they must quickly distinguish between militants (people holding a gun) and innocents (people holding an item with the same color and shape as a gun—Coca‐Cola bottle, black wallet, and black mobile phone). Using signal detection theory algorithms, we calculated sensitivity in performing the behavioral shooting task [D(prime)]. Results indicate that as expected, anxious people demonstrated significantly better shooting accuracy. Implication for contemporary violent conflict is discussed.  相似文献   

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Companies sometimes employ a “lowest price or more than the difference back” policy (i.e., a price‐beating guarantee). We investigated whether such a policy is more effective to attract and retain customers than when the exact price difference is promised (i.e., a price‐matching guarantee). The first study revealed that about 60% of the marketers and shop owners in our sample thought that beating price differences is a more effective strategy than matching price differences. However, the four subsequent studies challenged this assumption. Specifically, the advertisement as well as the provision of price‐beating refunds did not have an incremental positive effect on customers' general attitudes in terms of trust, brand perception, loyalty, and shopping intentions beyond the level that was already reached by price‐matching refunds. Moreover, our mediation analyses revealed that the null effect of price‐matching versus price‐beating was mediated by fairness perceptions. From a theoretical perspective, these results are in line with a fairness account, which holds that people do not only evaluate the economic value of an outcome, but also take equality considerations into account. Because price‐beating is literally more expensive than price‐matching, from a practical point of view, companies should be informed that the employment of a price‐beating guarantee is a cost‐ineffective advertisement strategy and compensation policy.  相似文献   

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In two experiments, 330 3‐ to 4‐year‐olds competed for stickers in a game in which the optimal response strategy was to point to an empty box that their opponent would receive in order to obtain a baited box for themselves. When the baited box contained stickers, children showed a strong tendency to point at the baited box and therefore lose the stickers to their opponent. In Experiment 1 children performed better when the number of stickers to be won was represented with one of five different types of symbol: numerals, number words, dots, a photograph or sweets. In Experiment 2 children transferred their improved performance in symbolic conditions to non‐symbolic conditions. These findings suggest that symbols enable children to formulate an efficient response strategy, and that this effect may be qualitatively different in children from the effect of symbols in non‐human primates.  相似文献   

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Although people from East Asian countries consistently report lower self-esteem than do those from Western countries, the origins of this difference are unclear. We conducted two studies to illuminate this issue. Study 1 found that Chinese participants appraised themselves less positively than American participants on a cognitive measure of self-evaluations, but cultural differences were absent on a measure of affective self-regard. Moreover, cultural differences in global self-esteem were eliminated once cognitive self-evaluations were statistically controlled. Study 2 found that cultural differences in modesty underlie cultural differences in cognitive self-evaluations. These findings suggest that Chinese feel as positively toward themselves as Americans do, but are less inclined to evaluate themselves in an excessively positive manner.  相似文献   

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This paper explores the dynamics brought into analytic work when there is a symmetric fusion between psyche and soma within the patient. It will consider how such a fusion may emerge from reverberations between physical constitution and a lack of maternal attunement, containment and reflective function. I will describe the work with a patient, Jane, who was diagnosed with Myalgic Encephalomyelitis (ME) during the course of her analysis. The dynamic of her physical symptoms within the analytic work, and the impact of her internal affects and internal 'objects' within the transference and countertransference, indicated a difficulty in finding an homeostatic balance resulting in overactivity and underactivity at both somatic and psychological levels. Using the clinical work with Jane this paper will also examine the interrelationship between mother-infant attachment, an inadequate internalized maternal reflective function, affect dysregulation, unconscious fusion, the lack of psyche-soma differentiation and the impact of the latter in relation to internal regulation systems, or lack of, in patients with Chronic Fatigue Syndrome (CFS) and Myalgic Encephalomyelitis (ME). I will draw on similar work carried out by Holland (1997), Simpson (1997) and Simpson et al. (1997). The paper will also employ the concept of the reflective function (Fonagy 2001; Knox 2003), and consider Matte-Blanco's (1999) concepts of generalization and unconscious symmetry in relation to the patient's internal world. I go on to consider how analysis provides a point outside the 'fusion' that can enable the 'deadlock' to be broken.  相似文献   

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The author discusses ways in which the couch or chair (lying down versus sitting up) may be used to maintain safety and defend against perceived dangers in the analytic process. Several dialectics are relevant as they intersect with that of danger and safety, including engagement/privacy, interiority/exteriority and subject/object. The author discusses these dialectics in terms of the ways in which the analyst is used at different points in time, i.e. as an objectifi ed other, a subjective object or part-object, or as a subject with an internal world. The therapeutic action associated with sitting up (versus lying down on the couch) has been undertheorized, despite the fact that many, if not most, analysands sit up for some portion of their analysis. Through the use of a heuristic visual-spatial metaphor as represented by the use of the couch or chair, the author discusses the signifi cance of lying down and sitting up for therapeutic action.  相似文献   

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The author introduces an alternative perspective to the biopsychosocial model in health psychology. In the first part of her article, she presents the major critiques levelled at mainstream research in health psychology. In the second part, she reviews fundamental studies on the place of emotions in corporeality, then studies that are more psycho‐socially oriented and focus on the relationship between health and the social. This literature review shows the necessity of an alternative perspective. The Embodied‐Socio‐Psychological (ESP) perspective which is presented here is based on a historico‐cultural and developmental approach, drawing from Wallon and Vygotsky’s work and supported by current research in neuroscience on mirror neurons as well as by early interaction psychology. The ESP perspective enables accounting for the articulation between embodied emotional development and the development of superior psychological functions within the social and cultural field; during the crisis of serious illness, this articulation is strongly disrupted in its embodied emotional, embodied social as well as socio‐psychological foundations. This perspective proposes going beyond a notion of the ill human being as a juxtaposition of BPS variables, in order to account for the complementary, indissociable and complex articulation of the corporeal, the social and the psychological. It refers to a theoretical approach that is clearly psychological and no longer anchored in a biomedical definition.  相似文献   

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Despite the fact that they play a prominent role in everyday speech, the representation and processing of fixed expressions during language production is poorly understood. Here, we report a study investigating the processes underlying fixed expression production. “Tip‐of‐the‐tongue” (TOT) states were elicited for well‐known idioms (e.g., hit the nail on the head) and participants were asked to report any information they could regarding the content of the phrase. Participants were able to correctly report individual words for idioms that they could not produce. In addition, participants produced both figurative (e.g., pretty for easy on the eye) and literal errors (e.g., hammer for hit the nail on the head) when in a TOT state, suggesting that both figurative and literal meanings are active during production. There was no effect of semantic decomposability on overall TOT incidence; however, participants recalled a greater proportion of words for decomposable rather than non‐decomposable idioms. This finding suggests there may be differences in how decomposable and non‐decomposable idioms are retrieved during production.  相似文献   

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Abstract: This article asks whether justice is binary, whether matters are either‐or with respect to it. This question has been inexplicably neglected, and the elementary conceptual work has not been done. We consider this question through exploring the implications of free‐will‐related justice. We see that there are actually two questions of very different scope here, and that two distinct notions of binarity need to be distinguished. In the process, the plausibility of considering justice as a binary notion is evaluated.  相似文献   

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High amounts of early child care have sometimes been linked to higher levels of behaviour problems, while high‐quality child care has more often been related to fewer behaviour problems and more social competence. The current study investigated whether the level of centre emotional and behavioural support (child care quality) interacted with the amount of child care in predicting children's socio‐emotional behaviour. Participants were 417 children (mean age = 27 months) from 61 Dutch daycare centres. The amount of daycare ranged from 1 to 5 days per week (M = 2.3 days). Multi‐level analyses showed that, independent of the amount of daycare, high levels of centre emotional and behavioural support were related to more caregiver‐rated social competence 1 year later. In addition, children spending 3.5 days or more in highly supportive daycare centres showed the lowest levels of parent‐rated externalizing behaviour 1 year later. The findings emphasize (a) that the combined effects of the amount and quality of child care are important and (b) that high‐quality early child care is related to children's socio‐emotional development. Further policy, practice, and research implications are discussed.

Highlights

  • We studied in a Dutch sample how the amount and quality of daycare interacted in relation to children's socio‐emotional outcomes.
  • High levels of daycare quality were related to more teacher‐rated social competence.
  • Children spending 3.5 days or more in highly supportive daycare centers showed less parent‐rated externalizing behavior.
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