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131.
Bernard A. Nijstad Wolfgang Stroebe Hein F. M. Lodewijkx 《European journal of social psychology》2006,36(1):31-48
It has consistently been found that people produce more ideas when working alone as compared to when working in a group. Yet, people generally believe that group brainstorming is more effective than individual brainstorming. Further, group members are more satisfied with their performance than individuals, whereas they have generated fewer ideas. We argue that this ‘illusion of group productivity’ is partly due to a reduction of cognitive failures (instances in which someone is unable to generate ideas) in a group setting. Three studies support that explanation, showing that: (1) group interaction leads to a reduction of experienced failures and that failures mediate the effect of setting on satisfaction; and (2) manipulations that affect failures also affect satisfaction ratings. Implications for group work are discussed. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
132.
Studia Logica - The Riemann–Roch theorem for algebraic curves is derived from a theorem for Girard quantales. Serre duality is shown to be a quantalic phenomenon. An example provides a Girard... 相似文献
133.
Wolfgang A. Rauch Karl Schweizer Helfried Moosbrugger 《Personality and individual differences》2007,42(8):1597-1607
Dispositional optimism measured by the Life Orientation Test (Revised; LOT-R, Scheier et al., 1994) was originally proposed as a unidimensional construct pertaining to individual differences in positive outcome expectancies. However, factor analytic research has suggested two separate “optimism” and “pessimism” factors associated with positively and negatively worded items respectively. Using confirmatory factor analysis with data from N = 658 students it is shown that a general optimism model with method effects of the positively worded items fits even better than the “optimism–pessimism” model in terms of the AIC statistic, which accounts for both model parsimony and model fit. Furthermore, an attempt is made to explain the method effects by social desirability: impression management, one of two components of socially desirable responding, correlates significantly with the method factor whereas the other component, self-deceptive enhancement, is related to the general optimism factor. Thus it is shown that the deviation from unidimensionality of observed scores does not imply deviation from unidimensionality of optimism when method effects are incorporated in the model. 相似文献
134.
While bimanual interference effects can be observed when symbolic cues indicate the parameter values of simultaneous reaching
movements, these effects disappear under conditions in which the target locations of two movements are cued directly. The
present study investigates the generalizability of these target-location cuing benefits to conditions in which symbolic cues
are used to indicate target locations (i.e., the end points of bimanual movements). Participants were asked to move to two
of four possible target locations, being located either at the same and different distances (Experiment 1), or in the same
and different directions (Experiment 2). Circles and crosses served as symbolic target-location cues and were arranged in
a symmetric or non-symmetric fashion over the four target locations. Each trial was preceded by a variable precuing interval.
Results revealed faster initiation times for equivalent as compared to non-equivalent target locations (same vs. different
cues). Moreover, the time course of prepartion suggests that this effect is in fact due to target-equivalence and not to cue-similarity.
Bimanual interference relative to movement parameter values was not observed. These findings suggest that cuing target locations
can dominate potential intermanual interference effects during the concurrent programming of different movement parameter
values. 相似文献
135.
PD Dr. biol. hum. Regina A. Kurth Frank Leweke Wolfgang Milch Burkhard Brosig 《Psychotherapeut》2007,52(3):180-186
Somatoform disorders are usually associated with disturbances in affective processing and consequently with relational disorders. The effect of psychotherapy on the emotional regulation and the relational behaviour in the course of treatment of a patient with somatoform autonomous dysfunction and dysthymia has been examined. Pre-post comparisons of inpatient treatment have been performed by means of standardized questionnaire data; the course of therapy has been evaluated by the analysis of the dependence of the leading symptom of hypogastric pain on mood parameters with the help of multivariate time-series analyses. One effect of psychotherapy was the initiation of an intrapsychic discourse, which led to an improved ability of affect regulation as well as to a better functioning in relationships. This was accompanied by a reduction of somatization. The interrelations between somatization, affect- and relationship-regulation are discussed. 相似文献
136.
A feature-based representation of auditory stimuli is proposed and tested experimentally. Within a measurement-theoretical framework, it is possible to decide whether a representation of subjective judgments with a set of auditory features is possible and how unique such a representation is. Furthermore, the method avoids confounding listeners' perceptual and verbal abilities, in that it strictly separates the process of identifying auditory features from labeling them. The approach was applied to simple synthetic sounds with well-defined physical properties (narrow-band noises and complex tones). For each stimulus triad, listeners had to judge whether the first two sounds displayed a common feature that was not shared by the third, by responding with a simple "yes" or "no." Because of the high degree of consistency in the responses, feature structures could be obtained for most of the subjects. In summary, the proposed procedure constitutes a supplement to the arsenal of psychometric methods with the main focus of identifying the type of sensation itself, rather than of measuring its threshold or magnitude. 相似文献
137.
138.
A direct relationship between perception and action implies bi-directionality, and predicts not only effects of perception on action but also effects of action on perception. Modern theories of social cognition have intensively examined the relation from perception to action and propose that mirroring the observed actions of others underlies action understanding. Here, we suggest that this view is incomplete, as it neglects the perspective of the actor. We will review empirical evidence showing the effects of self-generated action on perceptual judgments. We propose that producing action might prime perception in a way that observers are selectively sensitive to related or similar actions of conspecifics. Therefore, perceptual resonance, not motor resonance, might be decisive for grounding sympathy and empathy and, thus, successful social interactions. 相似文献
139.
Tanja Legenbauer Silja Vocks Corinna Schfer Sabine Schütt-Strmel Wolfgang Hiller Christof Wagner Claus Vgele 《Body image》2009,6(3):228-234
This study assesses whether characteristics of one's own body image influences preferences of attractiveness in a partner. The role of gender and sexual orientation is also considered. Heterosexual women (n = 67), lesbian women (n = 73), heterosexual men (n = 61) and gay men (n = 82) participated in an internet survey assessing attitudes towards the body and preferences of attractiveness in a partner. Men in particular were found to prefer attractive partners, regardless of sexual orientation. Weight/shape dissatisfaction was found to be a negative predictor for heterosexual men and women. For gay men, preferences were better explained by internalization and weight/shape dissatisfaction. No such associations were found in the lesbian group. Levels of weight/shape dissatisfaction and internalization of socio-cultural slenderness ideals influence expectations of thinness and attractiveness in a partner with this effect being modified by gender and sexual orientation. 相似文献
140.
The partition of the Indian subcontinent in 1947 was witness to Hindu Muslim conflict at its peak. In the 1990s, ethnic conflict
was used by right wing ideologues to change the fabric of secular India. Using interview data and within a social representational
framework the study demonstrates the processes whereby out-groups/in-groups are formed. Further, it is argued that religious
tolerance as envisaged in Gandhian philosophy, needs to be an integral part of the debate on role of religion in the public
sphere. 相似文献