Relationships between students’ conceptions of constructivist learning and their regulation and processing strategies

The present study investigated relationships between students’ conceptions of constructivist learning on the one hand, and their regulation and processing strategies on the other hand. Students in a constructivist, problem-based learning curriculum were questioned about their conceptions of knowledge construction and self-regulated learning, as well as their beliefs regarding their own (in)ability to learn and motivation to learn. Two hypothesized models were tested within 98 psychology students, using a structural equation modelling approach: The first model implemented regulation and processing variables of the Inventory of Learning Styles [ILS, Vermunt (Learning styles and regulation of learning in higher education – towards process-oriented instruction in autonomous thinking, 1992)], the second model of the Motivated Strategies for Learning Questionnaire [MSLQ, Pintrich and de Groot (Journal of Educational Psychology, 82, 33–40, 1990)]. Results showed that structural relations exist between conceptions of constructivist learning and regulation and processing strategies. Furthermore, students who express doubt with regard to their own learning capacities are at risk for adopting an inadequate regulation strategy. A three-tiered structure of conceptual, controlling, and operational level appeared valid for the MSLQ variables, but not entirely for those of the ILS.     

基于IEEE1394的DV音视频系统的软件设计与实现

分析基于IEEE1394的系统架构,实现数据在1394系统的核心模块IEEE1394、RAW1394、LIB—RAW1394中的传输,研究数字视频的解压缩方法,使数字音视频流能够在IEEE1394总线上传输．     

Development and Use of Visual Explanations: Harnessing the Power of the "Seeing" Brain to Enhance Student Learning

ABSTRACT:  When students come to class, they bring with them the most powerful processor known to man—the human brain! Our job as teachers is to discover and implement practices that will make the most effective use of those brains. The human brain is a very powerful processor of sensory information, especially with regard to the sense of vision. We can harness the power of the "seeing" brain to enhance students' learning by providing ("feeding") our students with concrete experiences that are replete with information-rich visual explanations, such as images, diagrams, graphs, video clips, animations, anthropomorphic images, cartoons, samples, demonstrations, experiments, and performances of our subject matter, rather than relying on word-only (verbal and/or text) explanations. As far as our brains are concerned, the old saying "A picture's worth a thousand words" is really true! Thus, the focus of this teaching tip is to explore the benefits and practical aspects of "feeding" visual explanations ("food") to the sensory portion of our students' brains to enhance their learning and to encourage others to not only use visual explanations in their teaching, but also to develop visual explanations specific to their subject matter and to share them with others. This article also provides students and instructors alike with 3 animations, in QuickTime format, and a PowerPoint presentation containing a number of example visual explanations. These materials are available as supplementary materials on the journal website and can be downloaded for free educational use.     

Zukunftsaussichten der Lehrveranstaltungsevaluation aus der Sicht von Studierenden, Lehrenden und Evaluationsanbietern

The current reforms of higher education are accompanied by new forms of evaluation-based quality development. In the area of higher education, the evaluation of specific lessons or seminars by students has become an important component of evaluative feedback along with accreditation and multi-level program evaluation. Using a sample of higher education teachers, students and providers of such evaluations (N?=?258), the prospects for development of this instrument (prognosis for 2015) were surveyed and analyzed. The majority of the surveyed stakeholders expect such evaluations to be widely used as compulsory instruments in the future. In contrast, the implementation of scenarios which are seen as empirically sound and sustainable for quality development is seen by the respondents to be less likely. Differences in the perspectives were most clear in respect of developments in the future. Providers of such evaluations were particularly optimistic about the prospects of particular future developments. Regarding the effectiveness of potential evaluation designs, there was little disagreement; they are seen by the majority of respondents as effective.     

Frontal Electroencephalogram Asymmetry, Salivary Cortisol, and Internalizing Behavior Problems in Young Adults Who Were Born at Extremely Low Birth Weight

The authors examined internalizing behavior problems at middle childhood, adolescence, and young adulthood and brain-based measures of stress vulnerability in 154 right-handed, nonimpaired young adults ( M age = 23 years): 71 (30 males, 41 females) born at extremely low birth weight (ELBW; < 1,000 g) and 83 (35 males, 48 females) controls born at normal birth weight (NBW). Internalizing behavior problems increased from adolescence to young adulthood among ELBW individuals. ELBW adults exhibited greater relative right frontal electroencephalogram activity at rest and more concurrent internalizing behavior problems than NBW controls. Being born at ELBW may have subtle influences on brain–behavior relations even in survivors without major impairments and evidence of these influences may not emerge until young adulthood.     

The purpose of education: pedagogues’ and teachers’ negotiations in Danish primary schools*

In 2014, the Danish primary school system went through a major reform. One main change is the greater participation of pedagogues in school. This is a dramatic change both for teachers and for pedagogues, a distinct profession, traditionally working outside school and representing a creative and social approach to learning and wellbeing. This article examines how teachers and pedagogues in an action research project negotiate their new common work and which understandings of good pedagogical practice these negotiations express. The article shows that international educational rationales about learnification and attainment that are found in the Danish reform, affect the professionals’ understandings of professionalism and educational practices, and that this marginalises some traditional pedagogical practices. However, the article also shows that both pedagogues and teachers critique dominant educational policy rationales and explore what space for action exists in the reform.     

Effects of intensity on muscle-specific voluntary electromechanical delay and relaxation electromechanical delay

The purposes of this study were to examine: 1) the potential muscle-specific differences in voluntary electromechanical delay (EMD) and relaxation electromechanical delay (R-EMD), and 2) the effects of intensity on EMD and R-EMD during step incremental isometric muscle actions from 10 to 100% maximal voluntary isometric contraction (MVIC). EMD and R-EMD measures were calculated from the simultaneous assessments of electromyography, mechanomyography, and force production from the vastus lateralis (VL), vastus medialis (VM), and rectus femoris (RF) during step isometric muscle actions. There were no differences between the VL, VM, and RF for the voluntary EMD_E-M (onsets of the electromyographic to mechanomyographic signals), EMD_M-F (onsets the mechanomyographic to force production), or EMD_E-F (onsets of the electromyographic signal to force production) as well as R-EMD_E-M (cessation of electromyographic to mechanomyographic signal), R-EMD_M-F (cessation of mechanomyographic signal to force cessation), or R-EMD_E-F (cessation of electromyorgraphic signal to force cessation) at any intensity. There were decreases in all EMD and R-EMD measures with increases in intensity. The relative contributions from EMD_E-M and EMD_M-F to EMD_E-F as well as R-EMD_E-M and R-EMD_M-F to R-EMD_E-F remained similar across all intensities. The superficial muscles of the quadriceps femoris shared similar EMD and R-EMD measurements.     

Past and Future Issues in Motor Programming

The physiological responses of high (HF) and low fit (LF) individuals at given perceived exercise intensities were compared to ranges provided by the American College of Sports Medicine (ACSM). Participants were 7 LF and 8 HF men between the ages of 22 and 26 years. All participants performed a maximum oxygen uptake and lactate threshold test and two 15-min experimental runs in which they exercised at a constant perceived exercise intensity (RPE 13 and 17). The LF group exhibited significantly greater maximum oxygen uptake reserve (%VO₂R; p < .05) and velocity of lactate threshold (p < .01) values than HF at RPE 13 and 17. Both groups had significantly greater %VO₂R and maximum heart rate values at RPE 13 in comparison with the ACSM ranges, using the highest value for the given range (p ≤ .001).     

The relevance of innovative school architecture for school principals

In many cases, innovative forms of learning require innovative concepts of using space in school. However, so far there has been a lack of research concerning the perspectives of school principals as important stakeholders in the adoption of alternative school architecture. The present study examines the importance of alternative school architecture in a sample of 1164 principals (56% females, mean-age 52.7 years) in Austria. An online questionnaire was conducted, containing questions about the school building, innovative forms of learning, and principals’ level of information, perceptions, and thoughts on the relevance of school architecture, as well as their motivation and self-efficacy. Results showed that principals are aware of the advantages of certain architectural elements, although these elements have been implemented in only a few schools. A high proportion of respondents report a lack of information about configurations of space that go beyond the traditional corridor-scheme. We conclude that although principals are in general open for the alternative configuration of space further efforts have to be made to overcome the obstacles that prevent principals from launching new concepts of using space, which are a lack of competitive resources and knowledge as well as an inadequate professional network.