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Implications of an experimental information 普通类
The information technology (IT) of today forms an integral part of everyday living, thus the nurture of children’s IT awareness early in life is crucial. Young children have an innate curiosity for IT which suggests that in the school environment it can easily be integrated with other subjects in thematic and interdisciplinary curriculum. This quasi-experimental study used the Technology Foundation Standards for Students of the International Society for Technology in Education (ISTE) project on National Educational Technology Standards (NETS) as the basis to design a thematic and interdisciplinary IT curriculum for elementary students. A total of 1273 elementary students and 12 computer teachers were separated into either a control or experimental group. After one academic year, students’ final scores in English, mathematics, science, social studies, and art were gathered and compared. Statistical analysis indicated that there were significant differences in the experimental group’s academic scores. Findings also suggested that an interdisciplinary curriculum design opened opportunity for collaborative work and cohesiveness among faculty. Further longitudinal studies are recommended to examine the long-term implications of a thematic and interdisciplinary IT curriculum design.
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Evaluating college students’ evaluations 普通类
Aims Do college students’ ratings of a professor’s teaching effectiveness suggest that a professor’s teaching improves with time? Does anything predict which instructors receive the highest ratings or improve the fastest? And, importantly, do the correlates of change differ across face-to-face and online courses? Methods I used data from 10,392 classes taught by 1120 instructors across three years and fit a taxonomy of multilevel growth models to examine whether students’ ratings of teaching effectiveness (SETEs) changed across time, whether differences in average SETEs correlated with growth, and whether online vs. face-to-face, tenure, discipline, course level, sex, or minority status affected these estimates. Results SETEs remained relatively stable across time and teachers, although analyses uncovered a statistically significant, negative correlation between initial status and growth. Instructors starting with lower SETEs improved the fastest. These findings held across online and face-to-face instruction modes. However, in face-to-face classes, minority instructors received significantly lower average SETEs. This difference did not occur in online classes. No other predictors showed statistically significant effects. Finally, considerable SETE variance remained unexplained even when including the full predictor set in the model. Discussion These findings reveal that professors’ SETEs can improve. Additionally, they indicate that patterns of change in teaching effectiveness do not differ generally across online and face-to-face instruction modes. However, the results showed that minority teachers in face-to-face but not online classes received lower evaluations than their majority counterparts. Additional research should seek to understand what leads to SETE differences across minority and majority groups in face-to-face classes but not online classes.
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Activity Theory as a conceptual framework 普通类
While the issue of teachers’ perspectives on the barriers to technology use has received considerable attention, teacher concerns have not been studied in a systematic and holistic way. The present paper examines teacher concerns regarding a proposed technology-based innovation using Activity Theory as a theoretical framework. Fifty-one teachers participated in an inservice blended learning course in which a real-life Computer Supported Collaborative Learning example was presented and subsequently discussed in the online forum. The teachers were asked under which conditions they thought Computer Supported Collaborative Learning could be incorporated into their daily practices. Teacher concerns were identified through their online posts. Time and curriculum constraints were reported by teachers as the main obstacles to the proposed technological innovation. The examination of these obstacles using Activity Theory helped to identify three major contradictions in teachers’ activity system: (a) within the object of activity, (b) between the mediational means and the object of activity and (c) between the current and the proposed object. These contradictions are discussed from the perspective of Activity Theory and their implications for the design and implementation of technology are drawn.
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how color coding affects multimedia learning 普通类
Color coding has been proposed to promote more effective learning. However, insufficient evidence currently exists to show how color coding leads to better learning. The goal of this study was to investigate the underlying cause of the color coding effect by utilizing eye movement data. Fifty-two participants studied either a color-coded or conventional format of multimedia instruction. Eye movement data were collected during the study. The results indicate that color coding increased retention and transfer performance. Enhancement of learning by color coding was due to efficiency of locating corresponding information between illustration and text. Color coding also attracted attention of learners to perceptually salient information.
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Turkish pre-service science 普通类
The purpose of this study was to investigate Turkish pre-service science and mathematics teachers’ computer self-efficacies (CSEs) and computer attitude (CA) considering gender, year in program, and computer ownership as independent variables. Additionally the study aimed to examine the relationship between CSE and CA. Computer Self-efficacy Scale (CSES) and Computer Attitude Scale (CAS) were administered to 605 freshmen and senior teacher candidates. Descriptive results indicated that overall pre-service teachers had relatively high scores on both scales. Multivariate analysis of variance showed that a participant’s gender was not a significant factor on his/her CSE and CA scores except for the computer liking sub-scale of the CAS. Seniors had higher scores than freshmen in the CSES and in the confidence dimension of the CAS. Those participants who owned computers had significantly higher scores on the CSES and CAS as compared to those who did not own a computer. A significant three-way interaction was found among the three independent variables, namely gender, major of study and computer ownership. Finally, correlational analysis showed that participants’ CSES scores related to sub-scale scores of the CAS at varying degrees.
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International on-line reciprocal peer tutoring 普通类
The paper reports data from an on-line peer tutoring project. In the project 78, 9–12-year-old students from Scotland and Catalonia peer tutored each other in English and Spanish via a managed on-line environment. Significant gains in first language (Catalonian pupils) modern language (Scottish pupils) and attitudes towards modern languages (both Catalonian and Scottish pupils) were reported for the experimental group as compared to the control group. Results indicated that pupils tutored each other in using Piagetian techniques of error correction during the project. Error correction provided by tutors to tutees focussed on morph syntaxys, more specifically the correction of verbs. Peer support provided via the on-line environment was predominantly based on the tutor giving the right answer to the tutee. High rates of impact on tutee corrected messages were observed. The implications for peer tutoring initiative taking place via on-line environments are discussed. Implications for policy and practice are explored.
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A quick version and a complete version 普通类
This study developed an instrument to evaluate student online information searching strategies based on a framework comprising three domains and seven aspects. Two versions of the Online Information Searching Strategies Inventory (OISSI), including both quick and complete versions, were finally established and exhibited good validities and reliabilities. The quick OISSI included 13 items and the complete OISSI included 25 items and the pair had total reliabilities of 0.85 and 0.91, respectively. This instrument provides researchers a valid and reliable tool to evaluate students’ self-reflected web search strategies. The OISSI scores of 324 high school students revealed a significant gender difference in both behavioral and procedural domain strategies; however, no significant difference was observed in metacognitive domain strategies. In addition, student weekly online searching hours were found to significantly impact only behavioral domain strategies but not other domain strategies, implying that increasing student search experience may be insufficient to lift their search strategy. This study suggested several future study directions.
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A constructivist computational tool 普通类
In constructivist principles, learning is a process in which individuals construct knowledge. Research in Mathematics Education looks for ways to make mathematics education less dry and more attractive. When solving polynomial equations of the first degree, it is very common for teachers to work with the mistaken idea of “changing the sign” when “moving” the member. To minimize this problem, a balance can be used to illustrate the idea of equilibrium and also properties of equality. The objectives of this study were (1) develop a computational tool to replace a conventional balance in practical mathematics exercises thereby solving two material challenges for Brazilian teachers: verifying the accuracy of balances and the lack of student physical and social activity through direct participation; (2) determine how substituting the conventional balance with a computational tool for the solution of first degree polynomial equations affected the aspects inherent in the learning process like motivation, cooperation, dialogue, discussion, reflection, reciprocity, negotiation and responsibility. The results indicate that the cognitive computational tool met the challenges of Brazilian teachers. First, because it lacks mechanisms that need to be verified for accuracy in order to demonstrate equilibrium. Second, because it allows the direct participation of students (physical experience) and the use of the tool in small groups (social experience). The hands on completion of the activity, realistic appearance, the interaction with the tool, visual feedback on the panel, and two students using the same tool awakened motivation, responsibility for completing the activity, dialogue, cooperation, discussion and reflection. Doing the experiment with others aroused concern about the learning of others and reciprocity of knowledge for the improvement of the procedure to be constructed for solving 1st degree equations.
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Parallax cues in the design of graphics 普通类
The explanation of certain 3D concepts is based on 2D drawings. These drawings should contain certain depth cues, such as perspective and overlapping. Until recently, parallax has not been used as a depth cue. Nevertheless, new technologies allow it to be incorporated. This forms the background to our study of the design of interactive educational resources and stereoscopic graphics. The results obtained demonstrate that (1) the use of parallax cues improves the interpretation of the figures and (2) that the assistance they afford is most appreciated by the students with less highly developed spatial perception.
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Sources and nature of secondary school 普通类
Teachers’ knowledge of computer-related ergonomics in education will have an effect on the learning process and the work practices of their students. However little is known about teacher education in this area. The study aimed to investigate the sources and nature of secondary school teachers’ education about computer-related ergonomics. It also investigated the use of computers by secondary school children. The study included all secondary schools in the Republic of Ireland. The findings suggest that computers are widely available and are used frequently by students and teachers. However, there is evidence that teachers are not receiving information on computer-related ergonomics. Teachers were generally dissatisfied with this and would welcome information on the subject. The study discusses the implications of the findings and makes recommendations to meet the needs of the teachers.