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41.
通过48名13岁被试之间的对比实验,考察插图类型是否影响能力高低两种被试建构有关食物链知识的意义。结果表明,(1)基于计算机的插图工具下的测验得分显著高于预置插图;(2)学习能力高者的测验得分显著高于学习能力低者;(3)插图类型与学习能力之间不存在显著交互作用。  相似文献   
42.
    
Multicriteria decision making (MCDM) can provide an efficient mean for considering various and conflicting objectives to reveal the alternative that maximizes the decision maker's (DM) utility. In this paper, we propose a new interactive MCDM method for implicit alternatives to help a DM obtain a most preferred solution. We employ a Tchebycheff function to generate weights for objectives consistent with the DM's responses to pairwise comparisons between alternatives and present a mixed integer linear programming formulation to generate these weights. Thus, we approximate the DM's utility function by a Tchebycheff function and generate weights consistent with the DM's responses. We test our approach with different true utility functions on various sized multiple criteria linear programming problems. The computational results show that even with non‐Tchebycheff true utility functions, our method can generate alternatives very close to the optimal solution with few questions. The comparison of our results with other methods reveals its advantages. Copyright © 2013 John Wiley & Sons, Ltd.  相似文献   
43.
    
It is well established that studying with (vs. without) visual illustrations as well as taking tests (vs. restudying) is beneficial for learning, but on which strategy should one put the efforts, or should they be combined for best learning? Eighty‐eight upper secondary school students were given a brief lecture presented verbally (6 classes) or with the aid of a visual illustration (visuoverbal, 6 classes). The information was processed again by taking a memory test or by restudying. Recall and transfer tests were conducted after some few minutes and again after one week. The visuoverbal lecture resulted in better learning than verbal presentation only. A significant study strategy by retention interval interaction was found. However, this interaction was not qualified by a testing effect. Hence, taking tests (retrieval practice) did not lead to better learning than restudying. It was concluded that it is worthwhile to use visual illustrations in teaching. However, the present study did not reveal any synergistic effects from the combination of visuoverbal presentation and retrieval practice.  相似文献   
44.
字体大小和呈现位置对多媒体课件文字理解的影响   总被引:1,自引:0,他引:1  
本研究通过多媒体教室现场实验和实验室实验,以判断成语的感情色彩为测试任务,探讨字体大小和位置对多媒体课件文字理解的影响。结果表明,字体尺寸大于0.26°视角时,位于多媒体教室不同座位区域的被试都能较好地理解多媒体课件呈现的文字内容,而文字呈现位置对多媒体课件文字理解的影响较小。  相似文献   
45.
The aim of the present research is to study whether orthographic neighbourhood distribution influences unmasked orthographic priming. Two word conditions were compared in the lexical decision task. All word targets had two higher frequency neighbours that were either spread across two letter positions (SINGE/linge-songe) or concentrated on a single letter position (RUCHE/riche-roche). Results showed an inhibitory effect of unmasked orthographic priming. Furthermore, this priming effect was influenced by the target neighbourhood distribution. Priming was only found when the word targets had two neighbours that were spread across two letter positions. These data are discussed within an interactive activation framework in terms of prime activation (Versace and Nevers, 2003).  相似文献   
46.
Agents seeking an opportunity for profit often have to compete with others who pursue the same opportunity. When having to choose between a number of opportunities differing in their value and if individuals differ in their chances of outperforming others, the choice can be cognitively and emotionally demanding. We explore choice between opportunities using stylized Lions–Foxes games. In such a game, each of three players, with different odds of beating others, has to choose one of two contests that offer different rewards. After game theoretically analyzing the games, which we have experimentally employed, we report four experiments that vary in choice elicitation (repeated play or strategy method), in players' matching (random strangers or partners) and in rewards. Regarding contest choices, we found the choice of the higher value (and seemingly more prestigious) contest to be positively related to winning odds, contrary to what four out of the five (mixed, partially mixed, or pure) equilibria predict. Participants started out rather optimistic, with a large majority choosing the higher value option, but with experience, they approached the only viable of two pure strategy equilibria. Still, mixing continued via reacting to past play and outcome, apparently balancing dissatisfaction from choosing either contest.  相似文献   
47.
    
It was investigated whether the beneficial effect of picture presentation might be influenced by the content conveyed through text and pictures and the way information is distributed between them. Ninety‐nine students learnt in five between‐subjects learning conditions (i.e., text with spatial contents plus pictures, text with visual contents plus pictures, only text with spatial contents, only text with visual contents, only picture) about a tourist centre and a holiday farm. Results showed that pictures (i.e., maps) were beneficial for learning if spatial knowledge had to be acquired, but did not support learning when non‐spatial, visual knowledge had to be acquired. Furthermore, a high overlap of spatial information in text and picture was helpful, which can be explained by the assumption that learning is a text‐guided process. On the other hand, regarding non‐spatial visual information, a high text‐picture overlap did not influence learning, probably because text alone was sufficient for acquiring visual knowledge. The implications of these findings are discussed.  相似文献   
48.
We investigated whether seductive details (i.e., interesting but irrelevant adjuncts) are harmful to learning only when students (mistakenly) think that they are relevant. We therefore conducted a study in which participants (N = 86) learned either without seductive details (control condition) or with seductive details—in the latter case with or without being informed about the seductive details' irrelevance. In line with our hypotheses, only participants who were not informed about the irrelevance of seductive details revealed worse learning outcomes than those in the control condition, thereby revealing a seductive details effect. Extraneous cognitive load, but not perceived time pressure, mediated the negative effects of being uninformed about the irrelevance of seductive details on learning outcomes. Taken together, our results suggest that the perceived relevance of seductive details is a boundary condition of the seductive details effect.  相似文献   
49.
    
What is the effect of seductive details on learning outcomes? What are the boundary conditions of seductive detail effects? How do seductive details affect learning? These are the kinds of questions addressed in this special issue on seductive details. This special issue contains 11 articles presenting original results that take a new look at seductive details.  相似文献   
50.
This study aimed to develop a preliminary conceptual model that explains the perceived effect of the Tomatis® method on university students’ self-regulation for study course learning. Seven beginning graduate students (6 female; 3 black, 4 white) with a large South African university completed a Tomatis® method programme student learning support intervention. The students participated in focus group discussion and brief survey on their Tomatis® method programme student learning support experiences. Thematic analysis identified five themes that define Tomatis® method programme self-regulation effects on students: i) being self-aware and enhanced environmental sensitivity; ii) improved study concentration per time frame; iii) perspective taking, willingness, and ability to listen to others’ opinions; iv) self-reflection or enhanced inward learning experience; and v) boldness, creativity and open-mindedness. Findings support a conceptual working model of the Tomatis® method for the promotion of learner self-regulation and behavioural change in a university setting.  相似文献   
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