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Z Kulpa 《Perception》1987,16(2):201-214
The class of visual illusions called 'impossible figures' (illusory spatial interpretations of pictures) is analyzed in order to introduce an ordering into the great variety of such figures. Such an ordering facilitates reference, unifies terminology, and establishes a conceptual framework for further investigations of the subject, making easier the choice and systematic generation of various types of figures (for example, in systematic psychological experiments). First, the notion of 'impossible figure' is defined and certain other related classes of figures (so-called 'likely' and 'unlikely' figures) are distinguished. Second, the fundamental 'impossibility sources' are identified as elementary 'building blocks' of all impossible figures. Finally, two broad classes of impossible figures, multibars (or 'impossible polygons') and striped figures, are briefly described. 相似文献
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The model of commitment presented in the present report postulates personality to be the crucial element in the development and maintenance of commitment to the profession of art. The objectives of the research reported here were to (a) demonstrate the typicality of the artist personality and (b) identify the traits which characterize committed and uncommitted artists. Three groups of artists were compared: mature established artists described as committed over a lifetime, committed art students, and uncommitted art students. The instrument used to evaluate personality was the Adjective Check List (ACL; Gough 8c Heilbrun, 1983). Both committed and uncommitted artists presented a typical personality structure; but in contrast to the committed, the uncommitted were characterized by low self‐esteem, a negative self‐image, impaired motivation, low staying power, and an inability to find a clear direction. Both art students and mature artists agreed about the order of importance of 11 factors considered to be determinants of committment. They both placed particular emphasis on autonomy, possibility to experiment, ease of inspiration, and early identification with the profession. 相似文献
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This article presents the results of research into the implicit theories of creativity of Educational Science students preparing for the role of educational counsellors. Educational Science students will soon be working in educational institutions where they are expected to support creativity. Prospective (pre)school counsellors were asked about how they perceive and how they experience creativity in their own schooling by means of a questionnaire and focus group interview. Participants’ answers were analyzed using quantitative and qualitative content analyses. The data obtained from the questionnaire showed that the students mainly defined creativity as the characteristic of a person or process. They saw the major possibility for developing creativity during university studies in stimulating teaching activities and a supportive educational climate. The data from the focus group expanded the students’ definition of creativity through the domain of the expression and the valuation of creativity. In the discussion about the development of creativity during university studies, the role of the study program and the students’ individual characteristics were highlighted. The aspects of Educational Science education that need to be changed to increase the quality of the preparation of future educational counsellors are also considered. 相似文献
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Larissa Schindler 《Human Studies》2018,41(1):103-120
The article is concerned with the everyday activities of sociology, focusing on ethnography. It argues that empirical study of the ethnomethods of ethnography allows for a deeper insight into the dynamics and procedures of this research practice. Based on empirical data from two ethnographic studies (in a martial arts club and in a flamenco class), I suggest to observe how such an investigation is conducted in various situations: in the field, on the ethnographer’s desk, in data sessions, in conferences and in written papers. This serves to gather and produce empirical traces from the field. These are de- and re-contextualized while they are taken into the sociological field(s). This process can be analyzed drawing on Goffman’s notion of Frame Analysis, particularly drawing on his notion of keyings. Ethnography can thus be described as a trans-situational practice that systematically couples situations and communications in order to understand and reconstruct other social practices for sociological reasons. 相似文献
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Non‐Bayesian Noun Generalization in 3‐ to 5‐Year‐Old Children: Probing the Role of Prior Knowledge in the Suspicious Coincidence Effect 下载免费PDF全文
Gavin W. Jenkins Larissa K. Samuelson Jodi R. Smith John P. Spencer 《Cognitive Science》2015,39(2):268-306
It is unclear how children learn labels for multiple overlapping categories such as “Labrador,” “dog,” and “animal.” Xu and Tenenbaum (2007a) suggested that learners infer correct meanings with the help of Bayesian inference. They instantiated these claims in a Bayesian model, which they tested with preschoolers and adults. Here, we report data testing a developmental prediction of the Bayesian model—that more knowledge should lead to narrower category inferences when presented with multiple subordinate exemplars. Two experiments did not support this prediction. Children with more category knowledge showed broader generalization when presented with multiple subordinate exemplars, compared to less knowledgeable children and adults. This implies a U‐shaped developmental trend. The Bayesian model was not able to account for these data, even with inputs that reflected the similarity judgments of children. We discuss implications for the Bayesian model, including a combined Bayesian/morphological knowledge account that could explain the demonstrated U‐shaped trend. 相似文献