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241.
242.
Schrepp M 《Journal of mathematical psychology》2001,45(3):480-496
A knowledge domain is represented in knowledge space theory by a finite set Q of problems. The knowledge of a subject in the domain is described by the subset of problems from Q that the subject is able to solve. The set of all possible knowledge states of subjects is called the knowledge structure on Q. A crucial problem is how a hypothetical knowledge structure, obtained for example by querying an expert, can be evaluated empirically. We describe a method for comparing two knowledge structures concerning their ability to describe a set of empirically observed response patterns. Our comparison method is tested in two simulation studies. The results of these studies show that the method is highly accurate in its evaluation of knowledge structures. Copyright 2001 Academic Press. 相似文献
243.
Martin S. Livingston 《Group》2001,25(1-2):15-26
This paper presents one leadership style within a self-psychological approach to working with dreams in group psychotherapy. It stresses an empathic attunement, the creation of safety, and an experience-near playful relationship. Playful is not used lightly here. It is used in the spirit of Winnicott's intermediate space where a mother suspends questions of what is real or not real and what is me and not me. Freud's analogy to a playspace forms a metaphor for the creation of a special atmosphere in a group, or for that matter in individual work as well, that encourages exploration, risk taking, and vulnerability. Working with dreams in this playspace deepens the curative process, not only for the dreamer, but for the entire group. 相似文献
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245.
Varying the importance of a prospective memory task: differential effects across time- and event-based prospective memory 总被引:9,自引:0,他引:9
Only few studies have addressed the issue of task importance in prospective memory. Most of them, but not all, have shown that perceived task importance does improve prospective memory performance. However, there is little understanding of (1) the conditions under which importance of the prospective memory task makes a difference in performance and (2) the mechanisms by which perceived task importance has an effect on prospective memory performance. The present study reports two experiments that manipulate task importance in a time-based and an event-based prospective memory paradigm. Results show that importance has an effect on the time-based but not on the event-based task. Further analyses of the performance in the cover tasks as well as the monitoring behaviour indicate that importance improves prospective memory to the degree the task requires the strategic allocation of attentional resources. 相似文献
246.
247.
The literature on international relations frequently refers to culture in broad, macro-level ways to explain what cannot be explained by economic or military power. The assumptions that culture is simple, uniform and the opposite of power are, in the view of the authors, erroneous. Also, the authors note that there is a lack of scholarly interaction among psychologists interested in cross-cultural phenomena and international relations specialists interested in questions of identity and foreign policy. As an introduction to a special section on culture and foreign policy, this article calls for more communication among these scholarly communities; provides a set of observations about foreign policy and culture understood as a complex, dynamic concept; and calls for specific kinds of studies to better understand foreign policy in the context of cultural complexity and richness. 相似文献
248.
Recently, motor control research has emphasized the planning of macroscopic aspects of control. In object manipulation studies, when participants complete a movement in a comfortable posture, an end-state comfort effect is attained. One explanation for this effect is the precision hypothesis, which states that precision increases when participants are in a comfortable position. This research directly tests the precision hypothesis in two experiments. In Experiment 1, participants picked up a dowel and touched a large or small target on a wall. For the second experiment, the same procedure was followed using a pinpoint target. The probability analyses of the first experiment indicated that the end-state comfort effect was magnified in the small target condition and that the point-of-change effect (Short and Cauraugh, 1997) appeared only when end-state comfort was magnified. Error analyses in Experiment 2 showed that participants were more accurate when in a more comfortable position. The present findings indicate that the precision hypothesis plays a significant role in the end-state comfort effect. 相似文献
249.
Wetzel RD Brim J Guze SB Cloninger CR Martin RL Clayton PJ 《Psychological reports》1999,85(1):341-348
44 items on the MMPI were identified which appear to correspond to some of the symptoms in nine of the 10 groups on the Perley-Guze checklist for somatization disorder (hysteria). This list was organized into two scales, one reflecting the total number of symptoms endorsed and the other the number of organ systems with at least one endorsed symptom. Full MMPIs were then obtained from 29 women with primary affective disorder and 37 women with somatization disorder as part of a follow-up study of a consecutive series of 500 psychiatric clinic patients seen at Washington University. Women with the diagnosis of somatization disorder scored significantly higher on the somatization disorder scales created from the 44 items than did women with only major depression. These new scales appeared to be slightly more effective in identifying somatization disorder than the use of the standard MMPI scales for hypochondriasis and hysteria. Further development is needed. 相似文献
250.
Ronald L. Bloom Lawrence H. Pick Joan C. Borod Kashemi D. Rorie Fani Andelman Loraine K. Obler Martin Sliwinski Alfonso L. Campbell James R. Tweedy Joan Welkowitz 《Brain and language》1999,68(3):553-565
This study examined the psychometric aspects of a verbal pragmatic rating scale. The scale contained six pragmatic features (i.e., Conciseness, Lexical Selection, Quantity, Relevancy, Specificity, and Topic Maintenance) based on Grice's cooperative principles. Fifteen right brain-damaged (RBD), 15 left brain-damaged (LBD), and 16 healthy normal control (NC) right-handed adult participants produced narratives while recollecting emotional and nonemotional experiences. Naive raters evaluated each pragmatic feature for appropriateness on a 5-point Likert scale. When reliability was examined, the overall internal consistency of the pragmatic scale was extremely high (alpha =.96). Factor analysis was conducted to examine the theoretical relations among the six pragmatic features. Three meaningful factors involving discourse content, conceptual unity, and parsimony were identified. Findings are discussed in light of Grice's model and the construct validity of the scale. 相似文献