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1.
“指导发现法”是由教师设计、定向指导,让学生自己实验、观察、分析、假设和论证,并从中发现规律和建立概念的一种方法。根据英语教学改革提出的时代要求,文章对“指导发现法”的理论基础、特点、在英语教学中的实践以及教学时应注意的问题进行探讨,以提高英语课堂教学效果和学生学习效能。  相似文献   

2.
Increasingly, graduates across a range of professions are required to possess the ability to critically evaluate information, solve problems and participate in collaborative group work. Problem Based Learning (PBL) is a pedagogical approach to learning that emphasises student centred engagement with real problems or situations, involving learners in active decision making processes and in using theory to inform practice. This paper reports the perceptions a group of pre-service educators had to their participation in a unit of study conducted using a PBL scenario. The paper examines issues associated with teacher education, such as skills acquisition and the notion of the ‘gap’ between theory and practice. The findings reported here indicate that PBL offers the opportunity for pre-service educators to participate in a learning experience that supports them in developing skills appropriate to their profession and in understanding how theory may be related to practice.  相似文献   

3.
Teaching quantitative subjects such as operations management (OM) can be quite challenging. In this article, we present a novel approach that uses simplified concept maps for teaching OM. This application of concept maps was investigated to determine if it helps students to answer questions and to solve OM problems more effectively. Our study used a controlled experimental design with students divided into two groups, one taught using concept maps and another group taught using traditional techniques. Student learning was measured with pre‐ and posttests consisting of both multiple‐choice and constructed‐response items. The performance of the two groups was compared using an independent samples t‐test and analysis of covariance to control for the covariate “pretest.” The results indicate that use of simplified concept mapping significantly improved student learning of OM course material. We therefore recommend its adoption as an active‐learning pedagogical technique that can lead to positive change in the OM classroom.  相似文献   

4.
Alfaisal University is a new medical school in Riyadh, Kingdom of Saudi Arabia that matriculates eligible students directly from high school and requires them to participate in a hybrid problem‐based learning (PBL) curriculum. PBL is a well‐established student‐centered approach, and the authors have sought to examine if a student‐centered, integrated approach to learn human structures leads to positive perceptions of learning outcomes. Ten students were divided into four groups to rotate through wet and dry laboratory stations (integrated resource sessions, IRSs) that engaged them in imaging techniques, embryology, histology, gross anatomy (dissections and prosections), surface anatomy, and self‐directed learning questions. All IRSs were primarily directed by students. During two second‐semester organ system blocks, forty students responded to a structured questionnaire designed to poll students' perceptions of changes in their knowledge, skills, and attitudes as a result of IRS. The majority (60%) of students felt that the student‐centered approach to learning enhanced their medical knowledge. Most students also felt that the IRS approach was advantageous for formulating clear learning objectives (55%) and in preparing for examinations (65%). Despite their positive feelings toward IRS, students did not view this learning approach as an adequate replacement for the knowledge gained from lectures and textbooks. Students' performance on objective structured practical examinations improved significantly for the two curricular blocks that included IRS compared with earlier non‐IRS blocks. A student‐centered approach to teach human structure in a hybrid PBL curriculum may enhance understanding of the basic sciences in first‐year medical students. Anat Sci Educ 3:272–275, 2010. © 2010 American Association of Anatomists.  相似文献   

5.
PBL教学法是适应中国创新型社会构建、高等教育培养学生自主学习能力、以学生为中心的现代教育观以及我国思想政治理论课“三贴近”教学改革的一种新型教学模式.此教学模式既有利于培养和提高学生的综合素质,又有利于增强思想政治理论课的教学实效性.PBL教学法在思想政治理论课中的运用需注意:它只能处于课堂教学的辅助地位,可处于实践教学的主体地位;教师要扮演好活动的组织者、引导者、促进者、监督者的角色;问题设计及分组技巧是关键;成果展示及评价是动力机制.PBL教学法在思想政治理论课运用中存在考核机制缺失和师生能力不足的突出问题,全面推广此教学法还需进一步试点,同时完善相应机制.  相似文献   

6.
The purpose of the study is to compare problem based learning (PBL) and lecture-based learning (LBL) in Hong Kong secondary students’ science achievement. Secondary One students were divided into two groups: group A (n = 37), was taught two topics: “Human Reproduction” and “Density” through PBL; group B (n = 38) was taught the same topics by LBL. Multiple choice questions and short structured response items were used to assess students’ academic performance. Pre and post tests were categorized into three domains: knowledge, comprehension and application according to Bloom’s Taxonomy (Bloom 1956). The results of this study suggest first that PBL is at least as effective as LBL in gaining the knowledge required to achieve the syllabus’ learning objectives; secondly, the PBL group shows a significant improvement in students’ comprehension and application of knowledge over an extended time. Seemingly, PBL is favored for knowledge retention compared to a more conventional teaching approach, by these early adolescent children in Hong Kong. An ongoing longitudinal study on students’ interactions will further determine whether students taught through PBL develop improved learning in relation to high order skills, in a local situation which still tends to focus on factual recall but where higher skills are being demanded by systemic reform.  相似文献   

7.
Abstract: A modified problem‐based learning (PBL) exercise was implemented in a food science Dairy Products course, which had previously been taught in the traditional lecture and laboratory format only. The first 10 wk of the course consisted of weekly lectures and laboratory exercises. During the remaining 3 wk, students were presented with a case study that described milk quality problems that could be encountered by the dairy industry. Each week, students received a set of case disclosures containing relevant information that assisted in solving the case. Students were asked to present their findings at the end of the course in the form of a written “consultant's report.” In addition, students were given a survey asking for feedback on the PBL exercise, and the usefulness of having the lectures and labs prior to the PBL experience. Eighty percent of the students found that lectures and labs provided them with sufficient background knowledge to understand and solve the PBL case, 70% found that the PBL reinforced course material covered during lecture and labs, 50% responded that PBL helped them develop new ways of reasoning about the subject matter and 65% reported that PBL taught them to think critically. Of the total students surveyed, 56% would prefer to participate in similar types of PBL exercises in the future. Incorporating PBL into traditionally taught food science courses can have a positive influence on the learning process.  相似文献   

8.
In a technologically driven society, math and science students in the United States are falling further and further behind their international counterparts, resulting in an influx of STEM focused, reformed K-12 schools, including schools focused on project-based learning (PBL). This article reports a study of the effectiveness of PBL on high school students' performance on state mandated standardized mathematics and science achievement measures. Manor New Tech High School is a nationally recognized model STEM school, with a diverse student population, where all instruction is delivered through PBL. Although there is ample research suggesting that PBL is advantageous for increasing STEM learning compared to conventional teaching approaches, there is a lack of studies randomly assigning students to receive PBL. Further, some of the effects observed for students attending project-based schools could be due to a self-selection bias for students or parents that choose such an alternative learning environment. This study addresses both of these concerns and found that students taught through PBL, as a group, matched performance of conventionally taught students on all science 11th grade and mathematics 9th, 10th, and 11th grade TAKS achievement measures and exceeded performance by a scale score increase of 133 for the 10th grade science TAKS measure by (B = 133.082, t = 3.102, p < .05). One possible explanation of the differences observed in this study could be the TAKS instrument used to capture student math and science achievement that interprets “real-life applications” of content differently between math and science questions. These results align with literature on the effects of PBL and deepen our understanding of these effects by providing a controlled study with random assignments to the PBL experience. Future research looking at the effect of PBL on achievement on the PISA could be beneficial in identifying benefits of PBL implementation in schools.  相似文献   

9.

In this study, criminal justice classes were team taught by six pairs of one faculty member and one student teacher. The professor-student teaching teams met together before class to plan and after class to problem solve. The student teachers were charged with helping the professors introduce active learning exercises into their classes. This article reports on survey data from these professors, student teachers and the students they taught, including their views on both the benefits and problems. The article shows professors how to team teach with a student and helps professors who want to try the approach to anticipate and minimize the problems while capitalizing on the benefits.  相似文献   

10.
Problem-Based Learning: What and How Do Students Learn?   总被引:22,自引:0,他引:22  
Problem-based approaches to learning have a long history of advocating experience-based education. Psychological research and theory suggests that by having students learn through the experience of solving problems, they can learn both content and thinking strategies. Problem-based learning (PBL) is an instructional method in which students learn through facilitated problem solving. In PBL, student learning centers on a complex problem that does not have a single correct answer. Students work in collaborative groups to identify what they need to learn in order to solve a problem. They engage in self-directed learning (SDL) and then apply their new knowledge to the problem and reflect on what they learned and the effectiveness of the strategies employed. The teacher acts to facilitate the learning process rather than to provide knowledge. The goals of PBL include helping students develop 1) flexible knowledge, 2) effective problem-solving skills, 3) SDL skills, 4) effective collaboration skills, and 5) intrinsic motivation. This article discusses the nature of learning in PBL and examines the empirical evidence supporting it. There is considerable research on the first 3 goals of PBL but little on the last 2. Moreover, minimal research has been conducted outside medical and gifted education. Understanding how these goals are achieved with less skilled learners is an important part of a research agenda for PBL. The evidence suggests that PBL is an instructional approach that offers the potential to help students develop flexible understanding and lifelong learning skills.  相似文献   

11.
本文采用行动研究的方法,以武汉职业技术学院的英语听说过级自主学习课程为例,探讨如何在自主学习课程中应用PBL的教学模式改进自主学习课程的考核方式,提高学生的自主学习能力和意识。文章首先分析了自主学习课程在实施过程中遇到的问题,详细描述了PBL教学模式的总体设计构想和具体的实施步骤,并对实施的结果进行了讨论。经过统计和问卷调查结果发现,应用PBL模式后,实验班的学生的学习兴趣有了很大的提高,有利于培养他们的自主学习能力和合作精神。同时,试验前后的听力测试表明,实验班听力成绩较对照班也有了显著的提高。可见,PBL模式的应用能在一定程度上改进目前在自主学习课程中所遇到的一些问题。  相似文献   

12.
ABSTRACT

This study explores students’ perceptions of the effectiveness of a Problem-Based Learning (PBL) design project, taken as part of a first-year engineering module, in developing professional skills needed for engineering practice. Students completed surveys before and after the PBL group project, and produced personal reflections on the process. The closed survey questions were analysed quantitatively and the main themes from the reflections outlined using General Inductive Analysis. Students rated themselves as having improved across a range of professional skills as a result of the project, with particular emphasis on teamwork, communication skills, understanding of the design process and self-directed learning. In addition, they highlighted improved confidence, as well as new friendships they developed, an important element of a module like this as they transition from secondary to higher education. They were particularly positive about the scaffolded approach taken within the PBL project in terms of its contribution to their learning.  相似文献   

13.
The purpose of this study was to understand how an 8th grade science class used a structured problem-based learning (PBL) strategy to study volcanoes and to discuss some of the issues that science teachers might encounter when designing and implementing the PBL strategy. This study took place at Collins Middle School, which is located in a cosmopolitan community in Illinois. The PBL lessons, which a teacher taught cooperatively with his student-teacher, required ten class periods to study two real-life volcanic phenomena. The guiding research questions were: (a) in what ways did the teachers (Mr. Brown and Ms. Jones) facilitate student learning about volcanoes using the PBL strategy?; and (b) what were the students’ engagements like during the PBL classes on a volcano unit? This study’s findings supported three main assertions: first, the teachers’ questions and group dynamics guided and facilitated the students’ course of learning; second, with the teachers’ specific guidance, the students collaboratively built up their supporting evidence; most of the supporting evidence was much more developed than just listing the terms or simple facts on volcanoes; and, third, there existed a tension between the teachers’ ideals and the implementation of the PBL strategy. They tended to slip into the traditional role of focusing on scientific facts about volcanoes.  相似文献   

14.
项目学习和情境教学在CAD/CAM教学中的应用   总被引:2,自引:0,他引:2  
在分析了机械CAD/CAM技术课程的特点以及教学难点的基础上,指出了传统教学模式存在的问题,为解决该课程需要的工程背景知识较多、内容抽象以及学生工程背景缺乏的问题,将项目学习引入到CAD/CAM课程教学中,旨在实现任务驱动的学习,发挥学生学习的积极性和主动性,并通过虚拟工程情境辅助课程的理论教学和项目学习的实施环节,全面提升教学质量。  相似文献   

15.
Problem-based learning (PBL) is a powerful instructional approach. By working through assessable complex problem-solving tasks learners can be encouraged to actively engage in investigation and inquiry and to use high level cognitive thought processes to solve real-life problems in professional contexts. A critical element of a successful PBL design is the inclusion of instructional support, such as scaffolding, to guide and assist the learner through the reasoning process that is crucial to successful problem-solving. The e-learning tool ‘Challenge FRAP’ (Form for the Recording of the Analysis of Problems) is client-based public domain authoring software which facilitates the use of scaffolding, the provision of progressive feedback and can promote student reflection at key decision-making points. This paper illustrates the benefits of such an e-learning scaffolding tool through two PBL case studies; one group-based PBL task in science and technology and one self-directed PBL task in plant pathology.  相似文献   

16.
Student learning about diffusion and osmosis was measured at three different universities using a newly developed instrument [Odom and Barrow (1995) Journal of Research in Science Teaching, 32, 45-61] which tests the underlying knowledge of students in addition to their ability to answer factual questions correctly. Instructors at two of the universities taught utilizing the very common large lecture/small laboratory approach. The instructor at the third university taught using a small discussion/laboratory approach which was informed by constructivist theory. Results of pre- and post-testing indicate that students learned about and understood diffusion and osmosis most deeply in the small discussion/ laboratory course. Reasons why this may be are discussed and suggestions are presented to help improve student learning in other settings.  相似文献   

17.
Abstract: The Cornell Critical Thinking Test (CCTT) is one of the many multiple‐choice tests with validated questions that have been reported to measure general critical thinking (CT) ability. One of the IFT Education Standards for undergraduate degrees in Food Science is the emphasis on the development of critical thinking. While this skill is easy to list as a student‐learning objective, measuring gains in CT is relatively difficult. If the majority of the class time is spent discussing and solving ill‐defined problems, then will students become actively and meaningfully involved in their own learning and will there be any gains in CT skills? To measure gains using this format, the CCTT was administered as a pre‐ and posttest to Food Science and Human Nutrition students in an Experimental Foods class taught every fall over an 8 y period (2001–2008). Statistical analysis indicated that in 2 of the years (2002 and 2004), there were significant gains (P values 0.036 and 0.045, respectively) in CT scores. Furthermore, in both years, there were significant gains in the same 2 aspects of CT (deduction and assumption) and not in the other aspects. However, we suggest that completing several take‐home exams with many open‐ended questions, writing detailed laboratory reports, and documenting unsolicited student reflections in journal entries that comment on apparent gains in CT skills may be a better indication of actual gains in CT skills compared to the actual CCTT test scores.  相似文献   

18.
Problem-based learning (PBL) is a student centered approach whereby students deal with ill-structured problems while working in small groups. In this study, a path model was utilized to model the relationships among reasoning ability, learning approach, prior knowledge, motivational variables, and achievement in genetics in PBL classes. 126 eighth grade students participated in the study. Results showed that reasoning ability, learning approach, task value, and prior knowledge had direct effects on achievement in genetics. Moreover, reasoning ability and task value were found to have indirect effects which were mediated by learning approach. Interrelationships found among the variables in the path model were discussed considering the characteristics of the PBL environments and suggestions were made for further research.  相似文献   

19.
Abstract

This study compared the student course evaluations of standard education and distance learning courses in the school of social work of one southern university. The sample included 14 distance learning (DL) and 122 standard education courses. A 20-item quantitative student course evaluation and a 7-item qualitative questionnaire were used to compare differences between social work courses taught in a standard classroom setting with those taught using distance learning technology. Comparisons of identical courses taught in both formats found that students rated distance learning higher than the standard classroom for a course having predominantly lecture content. Conversely, ratings for clinical practice courses were just the opposite with lower ratings for distance learning than the standard classroom. Results of a qualitative survey (n = 39) of students conducted at the end of a course taught by distance learning found that 73% of the students felt that distance learning technology interfered with class participation. However, 73% of the students felt the instructor handled technological problems in a professional and patient manner. Although 54% of the students reported that they would take another course by distance learning, more research is needed to determine what social work courses can be most effectively taught by distance and classroom formats.  相似文献   

20.
This article describes and discusses an epistemological approach to the education of science teachers that emphasizes similarities in knowledge and modes of acquiring it among children, scientists in their historical contexts, and student teachers. Advanced courses in science-teacher education aim to go beyond the attainment of scientific knowledge and pedagogical content knowledge toward the building of a guiding theory of action for teaching. This theory needs to be rooted in a broad understanding of what science is about, what is regarded as scientific knowledge, and how it is generated and evolves. These questions are of an epistemological nature. At the same time, theories of action for teaching science are also connected with questions on individual ways of learning and of acquiring meaning. Such questions are often answered by both cognitive and developmental psychologists. Even here epistemological consideration are essential. Constructivist epistemology, which describes the process of constructing knowledge both in individuals and among scientists, can serve as a basis for generating such a guiding pedagogical theory of teaching. Educating science teachers in the light of radical versions of constructivism can enhance this process. This article describes in detail a course entitled “The Growth of Thinking on Evolution,” which was taught to third-year student teachers and which illustrates the approach and discusses the rationale behind it.  相似文献   

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