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51.
    
The introduction of qualitative modelling techniques into learning environments, and intelligent training systems, requires not just the development of tools and techniques for modelling and simulation but also some guidance on how to use qualitative models in learning environments. This paper describes the rationale behind the design of a simulation based learning environment, the Model Switching PROcess rig Demonstration System (MS‐PRODS). Three qualitative and three quantitative simulations of the behavior of the physical system have been implemented using the ITSIE tools (Scott et al, 1990). The design of the learning environment is presented from the point of view of instruction and how the models are to be used to promote learning, in particular examining the model switching mechanism. This mechanism determines how to select and sequence the presentation of models to the learner during guided explorations of the domain. A knowledge based an alysis of the domain knowledge is combined with principles derived from Cognitive Flexibility Theory (Spiro 6 Jehng, 1990) to produce a generic design for a learning environment based on multiple models. The design and implementation of the learning environment is illustrated and a sample sequence of models presented. Finally, related work such as White & Frederiksen (1990) on model progression is discussed.  相似文献   
52.
    
We propose a multilevel‐multifaceted approach to evaluating the impact of education reform on student achievement that would be sensitive to context and small treatment effects. The approach uses different assessments based on their proximity to the enacted curriculum. Immediate assessments are artifacts (students' products) from the enactment of the curriculum; close assessments parallel the content and activities of the unit/curriculum; proximal assessments tap knowledge and skills relevant to the curriculum, but topics can be different; and distal assessments reflect state/national standards in a particular knowledge domain. To provide evidence about the sensitivity of the multilevel approach in ascertaining outcomes of hands‐on science programs we administered close, proximal, and distal performance assessments to evaluate the impact of instruction based on two Full Option Science System units—Variables, and Mixtures and Solutions—in a Bay Area school district. Results indicated that close assessments were more sensitive to the changes in students' pre‐ to post‐test performance than proximal assessments. © 2002 Wiley Periodicals, Inc. J Res Sci Teach 39: 369–393, 2002  相似文献   
53.
The importance of quality in the provision of day care services for young children is well established. A project designed to address issues of assessing, maintaining and enhancing standards of service provision in the UK developed a set of self‐assessment materials for use in group day care settings. This paper describes a project to evaluate whether versions of the same materials might be effective in group day care settings in Hungary. Differences and similarities between service provision in the UK and Hungary are described. In a study involving 76 Hungarian day care centres, > 80% of staff involved thought using the materials raised their awareness of quality issues, although the materials did not have a significant impact on the quality of care provided. Key differences between service provision in the UK and Hungary are identified as influencing the potential effectiveness of the materials in assessing, maintaining and enhancing quality.  相似文献   
54.
The development of English language learners (ELLs) was explored from kindergarten through eighth grade within a nationally representative sample of first-time kindergartners (N = 19,890). Growth curve analyses indicated that, compared to native English speakers, ELLs were rated by teachers more favorably on approaches to learning, self control, and externalizing behaviors in kindergarten and generally continued to grow in a positive direction on these social/behavioral outcomes at a steeper rate compared to their native English-speaking peers, holding other factors constant. Differences in reading and math achievement between ELLs and native English speakers varied based on the grade at which English proficiency is attained. Specifically, ELLs who were proficient in English by kindergarten entry kept pace with native English speakers in both reading and math initially and over time; ELLs who were proficient by first grade had modest gaps in reading and math achievement compared to native English speakers that closed narrowly or persisted over time; and ELLs who were not proficient by first grade had the largest initial gaps in reading and math achievement compared to native speakers but the gap narrowed over time in reading and grew over time in math. Among those whose home language is not English, acquiring English proficiency by kindergarten entry was associated with better cognitive and behavioral outcomes through eighth grade compared to taking longer to achieve proficiency. Multinomial regression analyses indicated that child, family, and school characteristics predict achieving English proficiency by kindergarten entry compared to achieving proficiency later. Results are discussed in terms of policies and practices that can support ELL children's growth and development.  相似文献   
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Abstract

Promoting rural development in Africa involves learning to clap with two hands, that is to say, creating effective interaction between local knowledge and development initiatives, on the one hand, and the knowledge and initiatives of formal agricultural research and extension, on the other. Farmer innovators ‐men and women farmers who take their own initiative to change local agriculture ‐ are key allies in rural development, as shown by the experience of the ISWC programme in Africa. Focusing on Ethiopia and Tanzania, the authors describe how formal research and extension services are made aware of farmers’ innovative work and are encouraged to document the results, promote their spread, and support further development efforts by farmer innovators. A modified Participatory Technology Development (PTD) approach is thus emerging, which starts not with problem analysis but rather by linking up with local problem‐solving initiatives. While the learning process on this approach continues, dialogue has been initiated with policy‐makers with a view to incorporating the approach into regular government extension, research and training activities.  相似文献   
57.
Assessment of the personalities of medical students could enable medical educators to formulate strategies for the best development of academic and clinical competencies. In this article, we focus on the experience of students in the anatomy dissecting room. While there have been many attempts to evaluate the emotional responses of medical students to human cadaveric dissection, there has been no investigation into how different personality traits affect the responses. The main hypothesis tested was that there is a relationship between personality traits and attitudes toward the dissection room. For the present study, a group of French medical students (n = 403; mean age 21.3 ± 1.6; 65.3% female) completed a Big Five personality inventory and a questionnaire to assess their attitudes in regard to human dissection. The findings are consistent with our hypothesis, in that we found a relationship between reporting anxiety and four of the Big Five dimensions (all except openness). The rated level of anxiety was positively correlated with negative affectivity, more strongly at the beginning than at the end of the course. There were significant gender differences in attitudes toward dissection. The findings are discussed in relation to the possibility of preparing students for the dissecting room experience and also in relation to the students' understanding of mortality issues.  相似文献   
58.
Meyler  Ann  Breznitz  Zvia 《Reading and writing》2003,16(8):785-803
This study examined the extent to which adultdyslexic readers exhibit concurrent deficitsfor phonological, orthographic and cross-modalword representations, and the relationshipbetween these deficits and decoding ability.Participants were 18 phonological dyslexics and19 normal readers at college level. Compared tonormal readers, dyslexics exhibitedsignificantly slower reaction times acrosstasks, and were less accurate on the unimodalorthographic task. Word pattern processing wasmore extensively related to decoding abilityamong dyslexic as compared to normal readers,but more robustly related to baseline measuresof phonological and orthographic processingamong normal readers. The results are discussedin the context of integrating the phonologicaland orthographic aspects of words, speed ofprocessing deficits, and the importance of taskselection when assessing adult dyslexicpopulations.  相似文献   
59.
    
This article examines an innovative model of online international education regarding disability through a human rights perspective piloted through a collaboration between Universidad LaSalle, Mexico, and University at Buffalo, United States. The course is organized around a pressing global human rights and development issue. Its objective is to promote effective practice with persons with disabilities through cross-national, cross-disciplinary, human-rights based education; strengthen students’ sense of global engagement; and foster cross-cultural expertise and competence with diversity. The implications for effective professional education in law and social work are discussed. The article also examines pedagogical strategies and presents case study materials, identifies key disability rights themes common to both nations and cultures, and explores how distance learning technology is implemented in the course. A preliminary assessment of this newly piloted approach is also presented, based on data from students, as well as the implications for teaching and practice.  相似文献   
60.
This paper reports an investigation into the attitudes of 200 mixed secondary pupils from both rural and urban schools towards programmed instruction as a teaching method and towards geography, as a subject studied in this way. Pupils in their second year in each school were divided into experimental and control groups matched on the basis of achievement, verbal and quantitative aptitude tests. The attitudes of both groups towards geography and programmed instruction were pre‐tested by questionnaire. The groups then underwent two different learning sessions for three weeks. Despite more positive attitudes shown initially by the control group to both geography and programmed learning, the experimental group later performed better and showed more favourable attitudes towards map reading than those taught by conventional texts, this being even more so for boys. Reasons for the results and certain features of the study are discussed.  相似文献   
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