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901.
Diagnostic reasoning, defined as the ability to infer unobserved causes based on the observation of their effects, is a central cognitive competency of humans. Yet, little is known about diagnostic reasoning in non-human primates, and what we know is largely restricted to the Great Apes. To track the evolutionary history of these skills within primates, we investigated long-tailed macaques’ understanding of the significance of inclinations of covers of hidden food as diagnostic indicators for the presence of an object located underneath. Subjects were confronted with choices between different objects that might cover food items. Based on their physical characteristics, the shape and orientation of the covers did or did not reveal the location of a hidden reward. For instance, hiding the reward under a solid board led to its inclination, whereas a hollow cup remained unaltered. Thus, the type of cover and the occurrence or absence of a change in their appearance could potentially be used to reason diagnostically about the location of the reward. In several experiments, the macaques were confronted with a varying number of covers and their performance was dependent on the level of complexity and on the type of change of the covers’ orientation. The macaques could use a board’s inclination to detect the reward, but failed to do so if the lack of inclination was indicative of an alternative hiding place. We suggest that the monkeys’ performance is based on a rudimentary understanding of causality, but find no good evidence for sophisticated diagnostic reasoning in this particular domain. 相似文献
902.
Bethany E. Kok Christian E. Waugh Barbara L. Fredrickson 《Social and Personality Psychology Compass》2013,7(1):27-39
Psychological interest in the impact of mental states on biological functioning is growing rapidly, driving a need for new methods for inducing mental states that last long enough, and are sufficiently impactful, to have significant effects on physical health. The many traditions of meditative practice are one potential pathway for studying mind‐body interactions. The purpose of this review is to introduce personality and social psychologists to the field of meditation research. Beginning with a brief introduction to meditation and the heterogeneity of meditative practices, we showcase research linking meditative practice to changes in immune and cardiovascular functioning and pain perception. We then discuss theoretical and empirical evidence that meditation works by inducing changes in psychological capacities such as emotion regulation and self‐regulation or through repeated induction of specific mental states such as love or meta‐cognitive awareness. At the frontier of the science of meditation is the need to empirically test whether meditation‐driven changes in cognitive and affective processes are the cause of improvements in physical health. Emerging challenges in meditation research include a need for large studies using randomized controlled and dual‐blind designs with active control groups and an increased focus on measuring mechanisms of action as well as outcomes. Meditation represents a potentially powerful tool for generating new knowledge of mind‐body interactions. 相似文献
903.
Claire S. Johnston Eva C. Luciano Christian Maggiori Willibald Ruch Jérôme Rossier 《Journal of Vocational Behavior》2013,83(3):295-304
Career adapt-ability has recently gained momentum as a psychosocial construct that not only has much to offer the field of career development, but also contributes to positive coping, adjustment and self-regulation through the four dimensions of concern, control, curiosity and confidence. The positive psychology movement, with concepts such as the orientations to happiness, explores the factors that contribute to human flourishing and optimum functioning. This research has two main contributions; 1) to validate a German version of the Career Adapt-Abilities Scale (CAAS), and 2) to extend the contribution of adapt-abilities to the field of work stress and explore its mediating capacity in the relation between orientations to happiness and work stress. We used a representative sample of the German-speaking Swiss working population including 1204 participants (49.8% women), aged between 26 and 56 (Mage = 42.04). Results indicated that the German version of the CAAS is valid, with overall high levels of model fit suggesting that the conceptual structure of career adapt-ability replicates well in this cultural context. Adapt-abilities showed a negative relationship to work stress, and a positive one with orientations to happiness. The engagement and pleasure scales of orientations to happiness also correlated negatively with work stress. Moreover, career adapt-ability mediates the relationship between orientations to happiness and work stress. In depth analysis of the mediating effect revealed that control is the only significant mediator. Thus control may be acting as a mechanism through which individuals attain their desired life at work subsequently contributing to reduced stress levels. 相似文献
904.
Christian Maggiori Claire S. Johnston Franciska Krings Koorosh Massoudi Jérôme Rossier 《Journal of Vocational Behavior》2013,83(3):437-449
This study, conducted with a representative sample of employed and unemployed adults living in Switzerland (N = 2002), focuses on work conditions (in terms of professional insecurity and job demands), career adaptability, and professional and general well-being. Analyses of covariance highlighted that both unemployed and employed participants with low job insecurity reported higher scores on career adaptability and several dimensions (notably on control) than employed participants with high job insecurity. Moreover, structural equation modeling for employed participants showed that, independent of work conditions, adaptability resources were positively associated both with general and professional well-being. As expected professional outcomes were strongly related to job strain and professional insecurity, emphasizing the central role of the work environment. Finally, career adaptability partially mediated the relationship between job strain and professional insecurity, and the outcome well-being. 相似文献
905.
A city-wide campaign involving various channels of communication was conducted to obtain high school seniors for a survey. Of the 102 seniors who telephoned to make appointments, 56 later attended their assigned questionnaire session. The rate of attendance differed for the communication channels. Newspaper advertisements attracted the most telephone calls but had the lowest attendance rate; notices on bulletin boards in city recreation centers produced the fewest telephone calls but had the highest attendance rate. Other channels, including personal contact, were intermediate in effectiveness. Additional findings were that nonpersonal channels differed in influence, and that exposure through multiple channels resulted in more influence than exposure through only one. The implications of the findings, especially for conceptualizations of channel influence, were noted. 相似文献
906.
James Dimmock Ben Jackson Leslie Podlog Christian Magaraggia 《Motivation and emotion》2013,37(1):146-153
Most attempts to influence intrinsic motivation have focused on contextual support for basic need satisfaction, including the provision of autonomy support, structure, and interpersonal involvement (e.g., Edmunds et al. in Eur J Soc Psychol 38:375–388, 2008). This study explored the extent to which another factor, expectations for task variety, influenced interest, enjoyment, and locus of causality in a novel exercise setting. Results showed that participants exposed to messages about variety in an exercise class enjoyed the class more, found it more interesting, and perceived greater internal causality than those who received messages about similarity in the class. Moderator analyses indicated that expectations of task variety were particularly conducive for task interest among participants who usually demonstrated lower intrinsic motivation for exercise. Discussion focuses on the relevance of these findings to self-determination theory and on opportunities for future research. 相似文献
907.
908.
909.
Michelene T.H. Chi Nicholas De Leeuw Mei-Hung Chiu Christian Lavancher 《Cognitive Science》1994,18(3):439-477
Learning involves the integration of new information into existing knowledge. Generating explanations to oneself (self-explaining) facilitates that integration process. Previously, self-explanation has been shown to improve the acquisition of problem-solving skills when studying worked-out examples. This study extends that finding, showing that self-explanation can also be facilitative when it is explicitly promoted, in the context of learning declarative knowledge from an expository text. Without any extensive training, 14 eighth-grade students were merely asked to self-explain after reading each line of a passage on the human circulatory system. Ten students in the control group read the same text twice, but were not prompted to self-explain. All of the students were tested for their circulatory system knowledge before and after reading the text. The prompted group had a greater gain from the pretest to the posttest. Moreover, prompted students who generated a large number of self-explanations (the high explainers) learned with greater understanding than low explainers. Understanding was assessed by answering very complex questions and inducing the function of a component when it was only implicitly stated. Understanding was further captured by a mental model analysis of the self-explanation protocols. High explainers all achieved the correct mental model of the circulatory system, whereas many of the unprompted students as well as the low explainers did not. Three processing characteristics of self-explaining are considered as reasons for the gains in deeper understanding. 相似文献
910.
Nady Hoyek Franck Di Rienzo Christian Collet Thomas Creveaux Aymeric Guillot 《Attention, perception & psychophysics》2014,76(2):519-526
It is commonly believed that during mental rotation of body parts, participants tend to imagine their own body part moving toward the stimulus, thus using an egocentric strategy. Several studies have also shown that the mental rotation of hands is affected by the actual hand position, especially if the hand is kept in an awkward position. However, this hand posture effect, as well as the use of an egocentric strategy during mental rotation of body parts, is not systematic. Several experiments have demonstrated that manipulating the stimulus features or the paradigm could induce a shift to visual and allocentric strategies. Here, we studied the effects of hand posture and biomechanical constraints on one-hand mental rotation (laterality judgment task), two-hand mental rotation (same–different judgment task), and mental rotation of one or two alphanumeric symbols (control tasks). Effects of posture and biomechanical constraints were observed solely for the laterality judgment task. Response times in the same–different hand mental rotation items were influenced by the angular disparity between the stimuli. We interpreted our result as evidence of the use of different strategies for each task. Future research should focus on disentangling the exact subprocesses in which an egocentric strategy is used, in order to propose better tests for participants with motor impairments. 相似文献