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131.
Mary Anne Rea-Ramirez Maria Cecilia Nunez-Oviedo John Clement 《Journal of Science Teacher Education》2009,20(2):95-111
Discrepant questioning is a teaching technique that can help students “unlearn” misconceptions and process science ideas for
deep understanding. Discrepant questioning is a technique in which teachers question students in a way that requires them
to examine their ideas or models, without giving information prematurely to the student or passing judgment on the student’s
model. This strategy prompts students to see the contradictions in their own model. This study focused on the analysis of
small group tutoring sessions on human respiration. Individual and small group construction of mental models was analyzed
after instructed with a standardized teaching sequence based on model construction and criticism theory (Rea-Ramirez in Model
of conceptual understanding in human respiration and strategies for instruction, Dissertation Abstracts International, 59 (10), 5196B, 1998). Analysis provided deeper understanding of the role discrepant questioning played in this construction of understanding
and suggested new models of learning. 相似文献
132.
This study was aimed at examining how basketball players view unexpected performance errors in basketball, and under what conditions they perceive them as choking. Fifty-three basketball players were randomly assigned into 2 groups (game half) to evaluate the linkage between performance decline and choking as a function of game-time, score gap and game half. Within each group, players viewed 8 scenario clips, which featured a different player conducting an error, and subsequently rated the extent of performance decline, the instance of choking and the salience of various performance attributions regarding the error. The analysis revealed that choking was most salient in the 2nd half of the game, but an error was perceived as choking more saliently in the beginning of the 2nd half. This trend was also shown for players’ perception of performance decline. Players’ ratings of the attributions assigned to errors, however, revealed that during the end of the 2nd half, time pressure and lack of concentration were the causes of errors. Overall, the results provide evidence towards a conceptual framework linking performance decline to the perception of choking, and that errors conducted by players are perceived as choking when there is not a salient reason to suggest its occurrence. 相似文献
133.
Positive attitudes of key stakeholders, such as school principals, towards a new policy are considered a necessary pre-requisite
to implement any such policy. Hong Kong has recently formulated a policy that supports the integration of students with disabilities
into regular schools. This study investigated the attitudes of Hong Kong primary school principals toward integration, with
a view to determining if these school leaders are prepared to implement integrated education practices in their schools. A
modified version of the School Principals’ Attitudes toward Inclusion scale (Bailey, 2004) was used to collect data from participants.
Based on the responses of 130 primary school principals, it was found that their attitudes toward integration were slightly
negative. Principals who had less teaching experience and who were administering schools with smaller student enrolment were
found to hold more positive attitudes toward integration. The variable of “having a family member or close friend with a disability”
had a significant and positive effect on the principals’ attitudes toward integration. 相似文献
134.
Rashmita S. Mistry Christia S. Brown Elizabeth S. White Kirby A. Chow Cari Gillen‐O'Neel 《Child development》2015,86(5):1653-1671
The current study examined children's identification and reasoning about their subjective social status (SSS), their beliefs about social class groups (i.e., the poor, middle class, and rich), and the associations between the two. Study participants were 117 10‐ to 12‐year‐old children of diverse racial, ethnic, and socioeconomic backgrounds attending a laboratory elementary school in Southern California. Results indicated that children's SSS ratings correlated with indicators of family socioeconomic status and were informed by material possessions, lifestyle characteristics, and social and societal comparisons. Children rated the poor as having fewer positive attributes and more negative attributes than the middle class, and fewer positive attributes than the rich. Lower SSS children held less positive attitudes toward the poor than children with middle SSS ratings. 相似文献
135.
136.
We examined the influence of collective efficacy and subjective interpretations of success/failure on team causal attributions. The participants were 71 male and female high school athletes on 20 track relay teams. Before a selected competition, participants completed a collective efficacy questionnaire. Then, immediately after their race, they were administered a modified version of the revised Causal Dimension Scale-II. A multi-level framework was employed to assess collective efficacy as an individually held perception and as a shared team belief. The individual perceptions of team success/failure significantly predicted the locus of causality and stability dimensions, whereas aggregated collective efficacy emerged as a significant team level predictor of average stability. Individual perceptions of collective efficacy were significantly related to team control and this relationship was moderated by the sex of the team. The findings indicate that collective efficacy beliefs held by athletes and teams prior to a competition influence the formation of post-competition team attributions in sport. 相似文献
137.
The rise in the amount of textual resources available on the Internet has created the need for tools of automatic document summarization. The main challenges of query-oriented extractive summarization are (1) to identify the topics of the documents and (2) to recover query-relevant sentences of the documents that together cover these topics. Existing graph- or hypergraph-based summarizers use graph-based ranking algorithms to produce individual scores of relevance for the sentences. Hence, these systems fail to measure the topics jointly covered by the sentences forming the summary, which tends to produce redundant summaries. To address the issue of selecting non-redundant sentences jointly covering the main query-relevant topics of a corpus, we propose a new method using the powerful theory of hypergraph transversals. First, we introduce a new topic model based on the semantic clustering of terms in order to discover the topics present in a corpus. Second, these topics are modeled as the hyperedges of a hypergraph in which the nodes are the sentences. A summary is then produced by generating a transversal of nodes in the hypergraph. Algorithms based on the theory of submodular functions are proposed to generate the transversals and to build the summaries. The proposed summarizer outperforms existing graph- or hypergraph-based summarizers by at least 6% of ROUGE-SU4 F-measure on DUC 2007 dataset. It is moreover cheaper than existing hypergraph-based summarizers in terms of computational time complexity. 相似文献
138.
139.
Jo Breda Mieke Clement Kim Waeytens 《International Journal for Academic Development》2013,18(1-2):91-104
The evaluation of a first step implementation of an interactive training program for beginning faculty is presented. The training program is based on the principles of full recognition of the subjective theory of the faculty and establishing an equal relationship between the faculty and the trainer.To evaluate the actual implementation of the model questionnaires on the implementation of the two principles, participants’ reactions to the training and fulfilment of expectations towards the training were used. The results of the training are assessed with questionnaires on the learning of the participants, their expected use of knowledge and skills, their expected development and a pre and post measurement of instructional beliefs. The results show that the interactive model of faculty training was implemented and seems appropriate for training beginning faculty. The goals of the training were attained, except for directional change in instructional beliefs of the faculty. It is hypothesised that global changes in instructional beliefs can only be measured after a longer period. 相似文献
140.