High school geometry students' justification for their views of empirical evidence and mathematical proof

Concerns about the use of computer-aided empirical verification in geometry classes lead to an investigation of students' understandings of the similarities and differences between the measurement of examples and deductive proof. The study reports in-depth interviews with seventeen high school students from geometry classes which employed empirical evidence. The analysis focuses on students' reasons for viewing empirical evidence as proof and mathematical proof simply as evidence.     

Teachers' assessment of students' research skills

Today, teachers are expected to develop complex skills, such as research skills, in their students while implementing new views on learning and teaching and using authentic assessment strategies. About these new assessment strategies there is much debate and teachers are vulnerable in using them. We studied upper secondary education natural and social science teachers' practices using two surveys and two rounds of expert panel judgement on teacher‐submitted assessment‐related material and information. Our study shows that there are grounds for concern regarding the clarity of teachers' assessment criteria, the consistency between teachers' goals, assignments, and criteria, and the validity and acceptability of teachers' assessment practices. The extent to which it is justifiable to judge teachers' assessment practice by professional quality criteria is discussed, and suggestions are given as to the main quality criteria for formative and summative assessment and as to ways in which teachers could improve their assessment practices.     

浅谈大学生就业存在的问题及解决对策

在职业教育市场化、高等教育大众化的今天,高校毕业生连年呈递增趋势,同时,受世界金融危机的影响,国内一些中小企业纷纷破产,就业岗位逐年减少,大学生就业形势十分严峻。因此,针对大学生就业存在的问题采取行之有效的措施改变大学生就业难的现状,已经成为刻不容缓的社会问题。文章分析了当前大学生就业存在的问题,并针对如何实现大学生顺利就业谈几点个人看法。以期抛砖引玉。     

Role-play or debate to promote students' argumentation and justification on an issue in animal transgenesis

This paper compares the impact of a role-play and a conventional discussion on students' argumentation on an issue involving animal transgenesis. Students were confronted with an imaginable but fictional situation. They had to decide whether or not to approve a giant transgenic salmon farm being set up in a seaside village. Students received the same teaching and information, the only differences being in the debate situation. Students were asked to reach a decision on well-argued grounds, to identify areas of uncertainty and to define the condition or conditions under which a change of view might be considered. They had to write them down. Pre-post-tests were used to assess the students' opinions. The role-play and discussion were all video- and audio-taped and transcribed in full. The analysis focuses on the argumentative structure of the students' discourse and identifies the reference areas that students draw on to deliver their arguments. The theory of economics of 'greatness' or 'importance', which has recently emerged as a framework for the sociology of justification, has also been used in analysing students' discourse.     

Investigating the feasibility of using assessment and explanatory feedback in desktop virtual reality simulations

Educational technology research and development - There is great potential in making assessment and learning complementary. In this study, we investigated the feasibility of developing a desktop...     

高校大学生创业心理困境及对策研究

当前高校大学生面临严峻的就业形势,然而,对于自主创业也存在一定的困惑,本文分析了高校大学生创业心理困境以及解决对策。     

University students' depression: a cross-cultural investigation

Australian, Iranian and Portuguese university students (n?=?967) completed the University Students Depression Inventory (USDI) in English, Persian and Portuguese languages, respectively. A series of MANOVA analyses were used to examine differences in depression symptoms as an effect of the country and demographic variables. Interactions were also examined. The results indicated that country, gender and year level had some impact on the depressive symptoms of the university students. Australian students were more depressed than the Iranian and Portuguese students, while Iranian students were more depressed than the Portuguese students. Sub-scales of USDI – Lethargy, Motivation and Cognitive/Emotional – were also used to compare the depressive symptoms of students. The Australian female students reported a significantly higher level of lethargy than their male counterparts. Similarly, the first-year male students from Iran were significantly more lethargic than the first-year Iranian female students. Iranian and Portuguese male students, compared to the female students of these countries, experienced a lower level of motivation. The Australian and Iranian students, compared to the Portuguese students, reported a significantly higher level of cognitive and affective symptoms. The scores on the Cognitive/Emotional sub-scale increased with the year level. Differences among students' depression are described and implications discussed.     

University students' perceptions of influences on external studies

Fifty‐three external university students and a comparison group of 51 on‐campus social and political theory students responded to a written questionnaire on their perceptions of the factors influencing their external studies. Responses were obtained to objective questions and by written open‐ended advice to two hypothetical prospective external students.

In both sets of responses students identified family, job and life circumstances as major influences on external university study.. Advantages of external study were self‐reliance and finances, and disadvantages were related to access to the library and academics' demands. Students expressed preference for studying on‐campus or by the combination of campus and external courses which was available at the university. The study provides base‐line data about students' perceptions of contextual frames or constraints on external study.     

University students' self‐efficacy and their attitudes toward the Internet: the role of students' perceptions of the Internet

The attitudes and the self‐efficacy that characterize learners relative to the Internet have been identified as important factors that affect learners’ motivation, interests and performance in Internet‐based learning environments. Meanwhile, learners’ perceptions of the Internet may shape learners’ attitudes and online behaviours. This study investigates university students’ attitudes and self‐efficacy towards the Internet, and explores the role that university students’ perceptions of the Internet may play in their Internet attitudes and self‐efficacy. The results indicate that university students demonstrate positive attitudes and adequate Internet self‐efficacy and that these students are more inclined to view the Internet as a functional tool—a functional technology. Gender differences exist in university students’ attitudes towards, and perceptions of, the Internet; that is, male students demonstrate Internet attitudes that are more positive than those of their female peers. Furthermore, students who perceive the Internet as a leisure tool (e.g. as a tour or a toy) show more positive attitudes and communicative self‐efficacy than students who use the Internet as a functional technology. Educators and researchers need to be aware of these differences and to take them into consideration in their instruction. Lastly, this study serves as a starting‐point for research that more broadly explores learners’ perceptions of the Internet.     

A framework for scaffolding students' assessment of the credibility of evidence

Assessing the credibility of evidence in complex, socio‐scientific problems is of paramount importance. However, there is little discussion in the science education literature on this topic and on how students can be supported in developing such skills. In this article, we describe an instructional design framework, which we call the Credibility Assessment Framework, to scaffold high school students' collaborative construction of evidence‐based decisions and their assessment of the credibility of evidence. The framework was employed for the design of a web‐based reflective inquiry environment on a socio‐scientific issue, and was enacted with 11th grade students. The article describes the components of the Credibility Assessment Framework and provides the details and results of an empirical study illustrating this framework in practice. The results are presented in the form of a case study of how 11th grade students investigated and evaluated scientific data relating to the cultivation of genetically modified plants. Multiple kinds of data were collected, including pre‐ and post‐tests of students' conceptual understanding and their skills in assessing the credibility of evidence, and videotapes of students' collaborative inquiry sessions. The analysis of the pre‐ and post‐tests on students' conceptual understanding of Biotechnology and their skills in assessing the credibility of evidence revealed statistically significant learning gains. Students' work in task‐related artifacts and the analysis of two groups' videotaped discussions showed that students became sensitive to credibility criteria, questioned the sources of data and correctly identified sources of low, moderate, and high credibility. Implications for designers and educators regarding the application of this framework are discussed. © 2011 Wiley Periodicals, Inc. J Res Sci Teach 48: 711–744, 2011     

高校学生综合素质评价的内容体系研究

大学生综合素质评价的内容体系,是高等教育培养目标的具体反映,又是构建综合素质评价指标体系的基础.按照高等教育的目标要求,构建高校学生综合素质评价的内容体系,要坚持以思想道德素质评价为核心,以科学文化素质评价为重点,以身心健康素质评价为基础.     

Evaluating students' science notebooks as an assessment tool

The idea of using science notebooks as a classroom assessment tool is not new. There is general agreement that science notebooks allow teachers to assess students' conceptual and procedural understanding and to provide the feedback students need for improving their performance. In this study we examined the use of science notebooks as an unobtrusive assessment tool that can also be used by individuals outside the classroom (for example, school district personnel), and as a means for obtaining information about students' learning and their opportunities to learn. More specifically, in this study students' science notebooks were used as a source of data about the (a) implementation of a curriculum's intended activities, (b) students' performance, and (c) quality of teachers' feedback. Our results indicated that: (1) Students' science notebooks can be reliably scored. Unit implementation, student performance, and teacher feedback scores were highly consistent across raters and units. (2) High and positive correlations with other performance assessment scores indicated that the student performance score can be considered as an achievement indicator. And (3) low performance scores across the two units revealed that students' communication skills and understanding were far away from the maximum score and did not improve over the course of instruction during the school year. This result may be due, in part, to the fact that no teacher feedback was found in any of the students' notebooks across the six classrooms studied. This may reflect some characteristics of the teachers' assessment practices that may require further professional development.     

Sources of Inequity: understanding students' responses to assessment

This article considers some of the implications for assessment practice of current views about the nature of learning, and achievement. Evidence from national surveys is presented that demonstrates some of the different ways, ‘tasks' and responses to them are understood by assessors and students. This is followed by a review of evidence about differential sub‐group performance which is then examined to identify potential sources of inequity in assessment practice.     

Comperacy assessment of postgraduate students' readiness for higher education

Many postgraduate students cannot cope with the demands of higher education. In South Africa one in every six students never graduates. Poor preparation for higher education includes students' meager computer and information literacy skills. While computer literacy refers to understanding the use of computers, McMillan (1996) promotes the term comperacy that focuses on the ability to confidently use a variety of electronic tools in specific contexts. The researchers developed a comperacy instrument consisting of a self-rating and an objective practical component to assess incoming postgraduate students' comperacy. Statistical analyses revealed good internal consistency for all scales. Only 36% of the students tested satisfactory for basic comperacy. The analysis indicated bimodal data—students either have comperacy or not. The self-ratings were not accurate indicators of comperacy as students rated their comperacy lower or higher than their practical comperacy reflected. Practically significant correlations indicated that students' electronic file management abilities were a good predictor of general comperacy. The researchers propose a framework for comperacy development of postgraduate students.     

大学生法治观教育的思考

在依法治国背景下,培育和践行社会主义核心价值观,法治不可或缺。因此,法治观教育是关键。在这种情况下,大学要积极开展大学生法治观教育,使之成为社会主义法治的忠实崇尚者、自觉遵守者、坚定捍卫者。     

英语教学中形成性评价与学生自主学习的发展

形成性评价理念与方法的引入,使教师对学生的学习过程进行了全面的监控和调整,极大地丰富了现有英语教学的评价手段.形成性评价的实施为即时自主学习情境提供了学习的技能和策略,改变了自主学习者的心理特征,增强学生在社交中的中介学习能力,帮助自主学习者实现对理念、权利和权威的控制.