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1.
Examining the Effects of Different Multiple Representational Systems in Learning Primary Mathematics
《学习科学杂志》2013,22(1):25-61
Multi-representational learning environments are now commonplace in schools and homes. Research that has evaluated the effectiveness of such environments shows that learners can benefit from multiple representations once they have mastered a number of complex tasks. One of the key tasks for learning with multiple representations is successful translation between representations. In order to explore the factors that influence learners' translation between representations, this article presents 2 experiments with a multi-representational environment where the difficulty of translating between representations was manipulated. Pairs of pictorial, mathematical, or mixed pictorial and mathematical representations were used to teach children in 1 of 3 experimental conditions aspects of computational estimation. In Experiment 1, all children learned to become more accurate estimators. Children in the pictorial and the mathematical conditions improved in their ability to judge the accuracy of their estimates, but children in the mixed condition did not. Experiment 2 explored if the mixed condition's difficulties with translation were temporary by requiring additional time to be spent on the system. It was found that children in all the experimental conditions improved in their judgments of estimation accuracy. It is argued that the mixed condition's failure to improve in Experiment 1 was due to the difficulties they experienced in translating information between disparate types of representation. Their success in Experiment 2 was explained not by learning to translate between representations, but through the adoption of a single representation that contained all the necessary information. This strategy was only effective because of the way that information was distributed across representations. 相似文献
2.
《Journal of moral education》2012,41(2):232-251
This study investigated the effect of scaffolding computer-mediated discussions to improve moral reasoning and argumentation quality in pre-service teachers. Participants of this study were 76 teaching education students at a Turkish university. They were divided into three groups: (1) a computer-supported argumentation group; (2) a computer-mediated discussion group; and (3) a control group. Participants in the computer-supported argumentation group were instructed in argumentation, and were provided with note starters and graphical argumentation tools. The computer-mediated discussion group, however, was engaged in unstructured interaction on the Moodle forum, a free popular learning management system having a threaded discussion forum. The control group did not receive any instruction and neither did they participate in any discussions. As for the results, the computer-supported argumentation group outperformed the control group, but not the computer-mediated discussion group on DIT score and argumentation quality. Thus, it was concluded that both giving instruction on argumentation and appropriately designing the interfaces of computer-mediated discussion environments can enhance argumentation quality in students’ writings and also their moral reasoning. 相似文献
3.
David H. Jonassen Lucia Rohrer-Murphy 《Educational technology research and development : ETR & D》1999,47(1):61-79
The epistemic assumptions of constructive learning are different from those of traditional instruction, so classical methods of needs and task analysis are inappropriate for designing constructivist learning environments (CLEs). This paper argues that activity theory provides an appropriate framework for analyzing needs, tasks, and outcomes for designing CLEs. Activity theory is a socio-cultural, socio-historical lens through which designers can analyze human activity systems. It focuses on the interaction of human activity and consciousness within its relevant environmental context. Since conscious learning emerges from activity (performance), not as a precursor to it, CLEs should attempt to replicate the activity structures, tools and sign systems, socio-cultural rules, and community expectations that performers must accommodate while acting on some object of learning. After explicating assumptions of activity theory and briefly describing the components of CLEs, this paper describes a process for using activity theory as a framework for describing the components of an activity system that can be modeled in CLEs.His current research focuses on designing constructivist learning environments, cognitive tools for learning, knowledge representation methods, problem solving, computer-supported collaborative argumentation, cognitive task analysis, and individual differences and learning.His current research focuses on designing constructivist learning environments, cognitive tools for learning, knowledge representation methods, problem solving, computer-supported collaborative argumentation, cognitive task analysis, and individual differences and learning.Her research interests include activity theory and structural knowledge. 相似文献
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Many studies have identified web-based cooperative learning as an increasingly popular educational paradigm with potential to increase learner satisfaction and interactions. However, peer-to-peer interaction often suffers barriers owing to a failure to explore useful social interaction information in web-based cooperative learning environments. This easily leads to learners being unable to seek appropriate learning partners for facilitating effective cooperative learning. This problem frequently causes poor learning effectiveness in web-based cooperative learning environments. Generally, instructor assigned or learner selected learning peers cannot ensure to compose suitable learning partners for individual learners in cooperative learning environments. A suitable learning partner can help the learner, who is learning in the personal way and encounters the difficulty, to solve problems. Inappropriate learning partners cannot only easily lead to poor learning interaction and achievement, but can also lead to the meaning of cooperative learning being lost. Although many web-based learning systems have already been developed to assist cooperative learning, supporting peer-to-peer interaction in computer-supported cooperative learning (CSCL) is still immature. As a result, this study presents a novel scheme for recommending appropriate learning partners for individual learners utilizing mining of learning interactive social networks in a cooperative problem-based learning (PBL) environment. Results of this study show that the proposed scheme helps encourage learners to interact with learning peers more actively and positively, and facilitates learning performance in a cooperative PBL environment. 相似文献
6.
Revising Strategy Instruction in Inclusive Settings: Effects for English Learners and Novice Writers
Twenty‐three students with varying academic and linguistic profiles were taught a strategy for revising expository essays, using the Self‐Regulated Strategy Development model for instruction. Students learned basic revising tactics and to consider text structure as they managed decisions on how to improve their essays. Instructional effects were assessed using a multiple baseline with multiple probes in baseline design. Positive results were found for English learners, including those who were identified as having learning disabilities, or who were low‐, average‐ and high‐achieving writers; moreover, results were equally positive for students who were not English learners. After instruction and 4 weeks later, students revised more, produced more revisions that improved text, and revised longer text segments, which resulted in an improvement in overall quality. 相似文献
7.
Effects of the SOLVE Strategy on the Mathematical Problem Solving Skills of Secondary Students with Learning Disabilities 
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下载免费PDF全文 Shaqwana M. Freeman‐Green Chris O'Brien Charles L. Wood Sara Beth Hitt 《Learning disabilities research & practice》2015,30(2):76-90
This study examined the effects of explicit instruction in the SOLVE Strategy on the mathematical problem solving skills of six Grade 8 students with specific learning disabilities. The SOLVE Strategy is an explicit instruction, mnemonic‐based learning strategy designed to help students in solving mathematical word problems. Using a multiple probe across participants design, results suggested a functional relation between explicit instruction in the SOLVE strategy and increase in strategy use and computation scores on grade level mathematical word problems for all participants. Additionally, all participants generalized the SOLVE Strategy to other mathematic topics and concepts, and the teacher and students felt the intervention was socially acceptable. Finally, limitations, implications for practice, and suggestions for future research are discussed. 相似文献
8.
Binbin Zheng Mark Warschauer Jin Kyoung Hwang Penelope Collins 《Journal of Science Education and Technology》2014,23(4):591-603
This year-long, quasi-experimental study investigated the impact of the use of netbook computers and interactive science software on fifth-grade students’ science learning processes, academic achievement, and interest in further science, technology, engineering, and mathematics (STEM) study within a linguistically diverse school district in California. Analysis of students’ state standardized science test scores indicated that the program helped close gaps in scientific achievement between at-risk learners (i.e., English learners, Hispanics, and free/reduced-lunch recipients) and their counterparts. Teacher and student interviews and classroom observations suggested that computer-supported visual representations and interactions supported diverse learners’ scientific understanding and inquiry and enabled more individualized and differentiated instruction. Finally, interviews revealed that the program had a positive impact on students’ motivation in science and on their interest in pursuing science-related careers. This study suggests that technology-facilitated science instruction is beneficial for improving at-risk students’ science achievement, scaffolding students’ scientific understanding, and strengthening students’ motivation to pursue STEM-related careers. 相似文献
9.
This article reports on a study of six Grade 11 learners’ levels of understanding of concepts related to the function definition and representation. Task-based clinical interviews were used to elicit the learners’ interpretations and reasoning when working with these function-related concepts. Indicators for Action–Process–Object–Schema (APOS) theory conception levels were formulated and used to categorise learners’ written and interview responses into conception levels of understanding of the function concept. According to the South African Curriculum Assessment Policy Statement (CAPS) curriculum, Grade 11 learners are expected to be operating at the object and schema levels after instruction. however, the results indicated that learners were operating at the action and process levels as their understanding was characterised by vague definitions of function-related concepts and memorisation of procedures for translating between symbolic and graphical representations. 相似文献
10.
David M. J. Corradi Jan Elen Beno Schraepen Geraldine Clarebout 《International Journal of Science Education》2013,35(5):715-734
When learning with abstract and scientific multiple external representations (MERs), low prior knowledge learners are said to have difficulties in using these MERs to achieve conceptual understanding. Yet little is known about what these limitations precisely entail. In order to understand this, we presented 101 learners with low prior knowledge of abstract scientific MERs to see (a) how many, and what kind of ideas (propositions) learners remembered from these MERs and (b) what the impact of these ideas is on conceptual understanding of the content. Propositional analysis indicates that learners created flawed internal representations. The discussion analyses the potentials that the learners have in using abstract representations to increase their understanding of scientific information and possible effects of instruction. 相似文献
11.
This article investigates whether different formats of visualizing information result in different mental models constructed
in learning from pictures, whether the different mental models lead to different patterns of performance in subsequently presented
tasks, and how these visualization effects can be modified by further external representations during task performance. A
total of 80 university students learned from an illustrated text different day times and different dates exist simultaneously
on the earth. One half of the participants received the text combined with pictures visualizing the earth as a kind of carpet
(carpet pictures), whereas the other half received the text combined with pictures visualizing the earth surface as a circle
(circle pictures). After learning, the participants received a test including different kinds of tasks. In both visualization
groups, one half of the participants solved the tasks with an additional external representation, whereas the other half solved
the tasks without an external representation. The findings indicate that the form of visualization affects the structure of
mental models. Different structures of mental models result in different patterns of performance, when individuals solve tasks
based only on their mental representations acquired during their previous learning. However, these effects decrease, when
further external representations are made available to the learners. The findings are discussed within a broader framework
of learning with multiple external representations. 相似文献
12.
Chenn-Jung Huang Shun-Chih Chang Heng-Ming Chen Jhe-Hao Tseng Sheng-Yuan Chien 《Interactive Learning Environments》2016,24(7):1408-1427
Structured argumentation support environments have been built and used in scientific discourse in the literature. However, to the best our knowledge, there is no research work in the literature examining whether student’s knowledge has grown during learning activities with asynchronous argumentation. In this work, an intelligent computer-supported collaborative argumentation-based learning platform that detects whether the learners address the expected discussion issues is proposed. After each learner presents an argument, a term weighting method is adopted to derive input parameters of a one-class support vector machines classifier which determines if the learners’ arguments are related to the discussion topics. Notably, a peer review mechanism is established to improve the quality of the classifier. Besides, a feedback module is used to issue feedback messages to the learners if the learners have gone off on a tangent. The experimental results revealed that the students were benefited by the proposed learning-assistance platform. 相似文献
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Florian Berding 《Journal of Vocational Education & Training》2017,69(4):517-539
Epistemic beliefs are individual beliefs about knowledge and knowledge acquisition. Empirical studies indicate that learners’ epistemic beliefs influence their learning processes and success (e.g. motivation, text comprehension, learning strategy selection, grades). Teachers and trainers can support their apprentices in developing preferable epistemic beliefs to facilitate learning. To do this, instructors need information on learners’ current beliefs for lesson planning and monitoring epistemic beliefs development. The following paper reports the validation of a tool for generating this kind of information: the Instrument for Measuring Epistemic Beliefs in Marketing. The instrument validation is based on three studies (Study I: 225 university trained business administration students; Study II: 531 vocationally trained retailers/wholesalers; Study III: 179 vocationally trained bank assistants). It reveals high reliabilities (α values about .700), stable factor structures, and incremental validity in comparison to general epistemic beliefs. The new questionnaire is able to predict grades in marketing and can be used to diagnose apprentices’ epistemic beliefs for adjusting instruction to learners’ preconditions. Findings based on the new instrument indicate that apprentices show partly unfavourable epistemic beliefs. As a result, supporting learners in developing preferable beliefs provides an opportunity to increase their learning success. 相似文献
15.
David Jonassen Timari Prevish David Christy Euthemia Stavrulaki 《Distance Education》1999,20(1):49-63
In this paper, we articulate a model for designing learning environments that engage learners in solving problems and can be delivered to learners at a distance via the World Wide Web. These environments include a problem (including representation, context, and manipulation spaces), related cases, information resources, cognitive tools, and collaborative support. We apply this model to an environment on aggregate planning in an operations management course. Students represent the problem, collect resources and experiences, and solve the problem using a spreadsheet, which can be machine scored. Field trials showed that students were challenged, and they liked being able to see the results of their manipulations instantly. 相似文献
16.
Timothy J. Nokes Robert G. M. Hausmann Kurt VanLehn Sophia Gershman 《Instructional Science》2011,39(5):645-666
Cognitive science principles should have implications for the design of effective learning environments. The self-explanation
principle was chosen for the current work because it has developed significantly over the last 20 years. Early formulations
hypothesized that self-explanation facilitated inference generation to supply missing information about a concept or target
skill, whereas later work hypothesized that self-explanation facilitated mental-model revision (Chi, Handbook of research
on conceptual change, 2000). To better understand the complex relationship between prior knowledge, cognitive processing, and changes to a learner’s
representation, two classes of self-explanation prompts (gap-filling and mental-model revision) were tested in the domain
of physics problem solving. Prompts designed to focus the learner on gap-filling led to greater learning and a reduction in
the amount of tutoring assistance required to solve physics problems. The results are interpreted as support for the instructional
fit hypothesis—the idea that the efficacy of instruction is contingent on the match between the cognitive processing that the instruction
elicits, how those processes modify the underlying knowledge representations for the task, and the utility of those representations
for the task or problem. 相似文献
17.
Andrew Topper 《Assessment & Evaluation in Higher Education》2007,32(6):681-691
As instructors adopt web‐based learning environments, they must consider how students’ evaluations of learning reflect the overall quality of instruction. Traditional course evaluations are used for faculty retention, tenure and promotion decisions, but also provide instructors with valuable information on the quality of their instruction. This study looks at response rates and compares instructional quality, using student course evaluations along with additional data from online and face‐to‐face graduate education courses, to evaluate the effectiveness of instruction. A statistical analysis of students’ course evaluations showed no significant difference in instructional quality based on the format used. Together with comparisons of student work, these results provide additional evidence in support of the finding of no significant difference between formats in the area of instructional quality. 相似文献
18.
论学习环境中资源、工具与评价的设计 总被引：7，自引：1，他引：7
本从学习环境设计理论与实践的角度，探讨了资源、工具与评价的设计与应用问题。在学习环境设计中，资源是支持任务学习或问题研究的必备条件之一，是需要认真设计的重要构件之一。学习环境中的工具是指学习工具。学习工具是指有益于学习查找、获取和处理信息，交流协作，建构知识，以具体的方法组织并表述理解和评价学习效果的中介。在学习环境设计中，比较注重信息技术作为学习工具的设计与应用。学习环境中的评价与传统的教学评价是不同的。为了真正促进学习能力的发展，学习必须体验解决真实问题的过程，理解复杂的学习任务。因此，评价应当尽可能是基于真实任务的、复杂的、能挑战学习思维过程的，评价的标准能反映多元化的观点和多样化的问题解决方案。 相似文献
20.
《International Journal of Educational Research》2004,41(6):445-465
The goal of this chapter is to outline a theoretical and empirical perspective on how learners’ conceptions of educational technology might influence their learning activities and thereby determine the power of computer-based learning environments. Starting with an introduction to the concept of powerful learning environments we outline how recent developments in information and communication technologies might be used to implement these environments technologically. In the next step we refer to several exemplary empirical studies to argue that the power of computer-based learning environments will largely depend on very detailed aspects of the learning activities within these environments. In order to design these environments so that they elicit effective learning activities, it is necessary to analyze the factors that determine learners’ goals and their choices of processing strategies. The focus of this paper is on one of these factors, namely on learners’ instructional conceptions with regard to educational technology and its use in instruction. Up to now, there has been nearly no research conducted within the educational community addressing the issue of how this particular type of instructional conceptions determine learning activities. Therefore, we review several relevant findings from neighboring fields like epistemological beliefs, attitude research, human computer interaction, or cognitive modeling. We use this review to demonstrate that there are numerous findings outside the educational technology community that deserve much more resonance in this community than they currently receive. 相似文献