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351.
352.
Juan Antonio Prez Juan Manuel Falomir Gabriel Mugny 《European journal of social psychology》1995,25(1):117-124
In a 2 × 2 × 2 design, eighty smokers were exposed to an anti-smoking appeal attributed either to an expert source (superior status) or a minority source (inferior status). Subjects were either allowed or not to smoke during the experiment. In addition subjects had to memorize part of the appeal and a recall task either followed after reading the appeal (completed task) or not (uncompleted task). The results show that the expert source produces more attitude change than the minority when the tension induced by the source is weakened (either by the opportunity to smoke or task completion). In contrast the minority has more impact when subjects are not able to smoke or when the task is not completed, which is to say when the conflict has been internalized. An explanation of these effects is offered in terms of the more defensive forms of resistance involved with respect to sources of superior status compared to more assertive forms with respect to minorities. 相似文献
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Generation often leads to increased memorability within a laboratory context (see, e.g., Slamecka & Graf, 1978). Of interest in the present study is whether the benefits of generation extend beyond item memory to context memory. To investigate this question, in three experiments, we asked subjects to remember in which of two contexts they had read or generated words. In Experiment 1, the contexts were two different rooms; in Experiment 2A, the contexts were two different computer screens; in Experiment 2B, the contexts were different perceptual characteristics of the to-be-remembered words. In all experiments, subjects were better at remembering the context of generated words than of read words. 相似文献
357.
The value of the results of the inverse dynamic analysis procedures used in the study of human tasks is dependent on the quality of the kinematic and kinetic data supplied to the biomechanical model that supports it. The kinematic data, containing the position, velocity and acceleration of all anatomical segments of the biomechanical model, result from the reconstruction of human spatial motion by means of the evaluation of the anatomic points positions that enable to uniquely define the position of all anatomical segments. Furthermore, the motion data must be kinematically consistent with the structure of the biomechanical model used in the analysis. The traditional photogrammetric methodologies used for the spatial reconstruction of the human motion require images of two or more calibrated and synchronized cameras. This is due to the fact that the projection of each anatomical point is described by two linear equations relating its three spatial coordinates with the two coordinates of the projected point. The need for the image of another camera arises from the fact that a third equation is necessary to find the original spatial position of the anatomical point. The methodology proposed here substitutes the projection equations of the second camera with the kinematic constraint equations associated with a biomechanical model in the motion reconstruction process. In the formulation the system of equations arising from the point projections and biomechanical model kinematic constraints, representing the constant length of the anatomical segments, are solved simultaneously. Because the system of equations has multiple solutions for each image, a strategy based on the minimization of a cost function associated to the smoothness of the reconstructed motion is devised. It is shown how the process is implemented computationally avoiding any operator intervention during the motion reconstruction for a given time period. This leads to an automated computer procedure that ensures the uniqueness of the reconstructed motion. The result of the reconstruction process is a set of data that is kinematically consistent with the biomechanical model used. Through applications of the proposed methodology to several sports exercises its benefits and shortcomings are discussed. 相似文献
358.
Learning and, more generally, the development of cognitive processes in children has been thought to depend on the nature
of the conflict induced by confrontation with others (i.e., socio-cognitive conflict). The aim of this article is to extend
this notion to social-influence situations involving adolescents and young adults through the presentation of a model that
explains social influence in aptitude tasks. This model takes into account the differences or similarities of the competencies
of the source and target. It conceptualizes the social versus epistemic regulations of conflict in terms of an identity threat
that can be induced by social comparison. To illustrate parts of the model, several experiments are briefly summarized. One
demonstrates the conflict regulation dynamics involved in the similarities or differences of the sources' and targets' competencies,
while the others show how social-influence dynamics are modified by the presence or absence of a threat to self-competence.
This revised version was published online in August 2006 with corrections to the Cover Date. 相似文献
359.
Gabriel Segal 《Synthese》2009,170(2):275-287
In a number works Jerry Fodor has defended a reductive, causal and referential theory of cognitive content. I argue against
this, defending a quasi-Fregean notion of cognitive content, and arguing also that the cognitive content of non-singular concepts
is narrow, rather than wide. 相似文献
360.
Michael D. Maraun Kathleen L. Slaney Stephanie M. Gabriel 《New Ideas in Psychology》2009,27(2):148-162
In his Investigations, Wittgenstein employed a quotation from Augustine to capture certain of the essential features of an incoherent conception of language that he believed was at root of many of the dominant theories of meaning of his day. It is argued in the current paper that this very same Augustinian conception of language (ACL) is the foundation of some of the most influential methodological orientations of present-day psychological science, and, as a result, these orientations suffer from a range of ACL-induced incoherences. This thesis is illustrated by way of a case study drawn from the construct validation literature. 相似文献