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1.
Teachers' failure to use the microcomputer‐based laboratory (MBL) more widely may be a result of not recognizing its capacity to transform laboratory activities. This research aimed to increase understanding of how MBL activities designed to be consistent with a constructivist theory of learning support or constrain student construction of understanding. The first author conducted the research with his Year 11 physics class of 15 students. Dyads addressed 10 tasks in thermal physics using a predict–observe–explain format. Data sources included video and audio recordings of students and teacher during four 70‐minute sessions, students' computer data and written notes, semistructured student interviews, and the teacher's journal. Analysis of students' discourse identified many instances in which students' initial understandings of thermal physics were mediated in multiple ways by the screen display. The findings are presented as eight assertions. Recommendations are made for developing pedagogical strategies incorporating MBL activities that will likely catalyze student construction of understanding. © 2004 Wiley Periodicals, Inc. J Res Sci Teach 41: 165–185, 2004 相似文献
2.
Karen Pine David Messer Kate St. John 《Research in Science & Technological Education》2013,31(1):79-96
The study examines the effects of Piagetian‐like tasks' characteristics on the performance of these tasks by different age group students. The tasks were taken from a developed and validated test (Shemesh, 1983) which measures students' reasoning skills in six cognitive operations: conservation, proportions, control of variables, probability, combinations and correlations. Subjects were seventh, ninth and twelfth grade students, enrolled in two urban schools. Three different 3X2 factorial research design experiments, with three levels of students age and two versions of the test in each experiment, were set up for this study. Experiment 1 tested the effect of the method of task presentation (video‐taped demonstrations versus paper‐and‐pencil tasks with illustrations). Experiment 2 tested the effect of questionnaire format (multiple‐choice versus short essay questions) and experiment 3 tested the effect of the numerical content (integer ratio like 1:2, 1:3 versus noninteger ratio like 2:3, 3:5) on different age group students' responses. 相似文献
3.
This study was designed to identify and analyze possible factors that mediate the effect of gender on ninth‐grade Turkish students' misconceptions concerning electric circuits. A Simple Electric Circuit Concept Test (SECCT), including items with both practical and theoretical contexts, and an Interest‐Experience Questionnaire about Electricity (IEQ) were administered to 1,678 ninth‐grade students (764 male, 914 female) after the completion of a unit on electricity to assess students' misconceptions and interests‐experiences about electricity. Results of the concept test indicated that general performances of the students were relatively low and that many students had misconceptions in interpreting electric circuits. When the data were analyzed using MANOVA and follow‐up ANOVAs, a gender difference for males was observed on the dependent variable of total scores on the 10 practical items; however, there was no significant gender difference on the dependent variable of total scores on the six theoretical items. Moreover, when the same data were analyzed using MANCOVA and follow‐up ANCOVAs, controlling students' age and interest‐experience related to electricity, the observed gender difference was mediated on the total scores on the practical items. © 2004 Wiley Periodicals, Inc. J Res Sci Teach 41: 603–616, 2004 相似文献
4.
Jarkko Mylläri Heikki Kynäslahti Olli Vesterinen Sanna Vahtivuori-Hänninen Lasse Lipponen Seppo Tella 《Scandinavian Journal of Educational Research》2013,57(5):537-550
This article discusses students' pedagogical thinking in situations where the use of information and communication technologies (ICTs) has a (well-defined) pedagogical role and rationale. By analysing students' pedagogical thinking in this setting, it is also possible to better understand their motivations and self-regulation. Pedagogical thinking as viewed from the student's angle is a new area of educational research. Our research method is a combination of the Stimulated Recall interview and the semi-structured theme interview. In addition, some background data were gathered by questionnaire to discern students' different uses of ICTs and their contexts. The findings suggest how the educational use of ICTs is considered to be meaningful and motivating by both genders and among all the interviewed age groups, in spite of the fact that an acute and vocal critique seems to develop among older students. The differences reside in students' reasoning regarding decision making in task operations between genders, which was one of the background variables—girls actively include identity and opinion, while boys emphasize the quality of performance as motives for decisions. 相似文献
5.
Teachers' learning to facilitate high‐level student thinking: Impact of a video‐based professional development 
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下载免费PDF全文 Attaining the vision for science teaching and learning emphasized in the Framework for K‐12 Science Education and the next generation science standards (NGSS) will require major shifts in teaching practices in many science classrooms. As NGSS‐inspired cognitively demanding tasks begin to appear in more and more science classrooms, facilitating students' engagement in high‐level thinking as they work on these tasks will become an increasingly important instructional challenge to address. This study reports findings from a video‐based professional development effort (i.e., professional development [PD] that use video‐clips of instruction as the main artifact of practice to support teacher learning) to support teachers' learning to select cognitively demanding tasks and to support students' learning during the enactment of these tasks in ways that are aligned with the NGSS vision. Particularly, we focused on the NGSS's charge to get students to make sense of and deeply think about scientific ideas as students try to explain phenomena. Analyses of teachers' pre‐ and post‐PD instruction indicate that PD‐participants began to adopt instructional practices associated with facilitating these kinds of student thinking in their own classrooms. The study has implications for the design of video‐based professional development for science teachers who are learning to facilitate the NGSS vision in science classrooms. 相似文献
6.
Michael S. Vendetti Bryan J. Matlen Lindsey E. Richland Silvia A. Bunge 《Mind, Brain, and Education》2015,9(2):100-106
Applying knowledge from one context to another is a notoriously difficult problem, both for children and adults, but lies at the heart of educational endeavors. Analogical reasoning is a cognitive underpinning of the ability to notice and draw similarities across contexts. Reasoning by analogy is especially challenging for students, who must transfer in the context‐rich and often high‐pressure settings of classrooms. In this brief article, we explore how best to facilitate children's analogical reasoning, with the aim of providing practical suggestions for classroom instruction. We first discuss what is known about the development and neurological underpinnings of analogical reasoning, and then review research directly relevant to supporting analogical reasoning in classroom contexts. We conclude with concrete suggestions for educators that may foster their students' spontaneous analogical reasoning and thereby enhance scholastic achievement. 相似文献
7.
Kathleen Hogan 《科学教学研究杂志》1999,36(10):1085-1109
This study addressed the question of how to increase students' competencies for regulating their co‐construction of knowledge when tackling complex collaborative learning tasks which are increasingly emphasized as a dimension of educational reform. An intervention stressing the metacognitive, regulatory, and strategic aspects of knowledge co‐construction, called Thinking Aloud Together, was embedded within a 12‐week science unit on building mental models of the nature of matter. Four classes of eighth graders received the intervention, and four served as control groups for quantitative analyses. In addition, the interactions of 24 students in eight focal groups were profiled qualitatively, and 12 of those students were interviewed twice. Students who received the intervention gained in metacognitive knowledge about collaborative reasoning and ability to articulate their collaborative reasoning processes in comparison to students in control classrooms, as hypothesized. However, the treatment and control students did not differ either in their abilities to apply their conceptual knowledge or in their on‐line collaborative reasoning behaviors in ways that were attributable to the intervention. Thus, there was a gap between students' metacognitive knowledge about collaborative cognition and their use of collaborative reasoning skills. Several reasons for this result are explored, as are patterns relating students' outcomes to their perspectives on learning science. © 1999 John Wiley & Sons, Inc. J Res Sci Teach 36: 1085–1109, 1999. 相似文献
8.
Grounded in teacher professional development addressing the intersection of student diversity and content area instruction, this study examined school teachers' pedagogical reasoning complexity as they reflected on their second language learners' science problem solving abilities using both home and school contexts. Teachers responded to interview questions after watching a video of one of their students engaged in a science problem solving task. Over a 5-year period, 206 teacher interviews were conducted with a total of 133 teachers. Results indicated significant differences across the dimensions of pedagogical reasoning complexity as teachers expressed both deficit and resource oriented thinking. 相似文献
9.
Seventy-one college general biology students were taught a unit in Mendelian genetics by the traditional lecture method. Emphasis was placed on meiotic formation of gametes, the Law of Segregation, and the Law of Independent Assortment. The Punnett-square model was used for all practice problems. Eight weeks later, a content-validated retention test was given to evaluate the students' retention of problem-solving skills. The test required students to use proportional reasoning (identifying ratios from the Punnett squares), combinatorial reasoning (identifying combinations of gametes from parental genotypes), and probabilistic reasoning (estimating gamete or offspring probabilities). Each of the 71 students was also given three Piagetian interview tasks to evaluate intellectual development in the areas of reasoning under question. The balance-beam task, the electronic switch-box task, and colored squares and diamonds were used to test for proportional reasoning, combinatorial reasoning, and probabilistic reasoning, respectively. Pearson correlations and factor analysis failed to show direct relationships among Piagetian tasks for the three kinds of reasoning and their corresponding occurrence in genetics problems. Some correlations were higher between different reasoning types than between similar types. Analysis of variance showed significant differences for all three reasoning types among concrete-operational, transitional, and formal-operational students with the retention test. Post-hoc analysis of ANOVAs indicated that formal-operational students had significantly more success in the three reasoning areas than transitional students, and transitional students had significantly more success than concrete-operational students. 相似文献
10.
Deductive reasoning is a basic logic form used in scientific explanations and predictions. In dynamics, the process of finding the direction of force acting on a moving object, from the change of its motion, can be structured as a syllogism that is an elementary model of deduction. In this study, the syllogistic form of a scientific explanation task was used to help middle school students change their prior conceptions about force and motion. However, because the conclusion drawn from a syllogistic explanation task contradicted students' prior ideas, many rejected the conclusion or reached another conclusion without using deductive reasoning. From the preliminary interview using the syllogistic explanation task with eight students, we found four factors preventing students' use of deductive reasoning. In the main interview designed to remove these obstacles, it was observed that 26 of the 27 students could find the direction of force correctly by using deduction. Finally, implications for classroom teaching are 相似文献
11.
Eileen Carlton Parsons 《科学教学研究杂志》2008,45(6):665-683
As other countries vigorously promote rapid advancement in science, optimizing the participation of all students in the United States in science is imperative. This study focused on African American students and examined their science achievement in relation to Black Cultural Ethos (BCE), a construct rooted in psychology. Via qualitative and quantitative data obtained from a non‐random control group design, the study addressed three questions: (1) With respect to BCE, what characterizes the natural instructional contexts of two middle school science teachers? (2) What characterizes the achievement of African American students in contexts that incorporate BCE and contexts that do not? (3) What achievement patterns, if any, exist in BCE and non‐BCE instructional contexts? With regard to the natural contexts, the teachers did not incorporate BCE even when the opportunities were available to do so. Within these non‐BCE contexts, the group's mean scores on the study‐specific test that aligned with instruction decreased from pretest to posttest with approximately one‐third of the students' scores improving. When a context was altered with a moderate effect size of 0.47 to include BCE, the group's mean scores on the aforementioned test increased from pretest to posttest with two‐thirds of the students' scores improving. An illustration of the interplay between BCE and context and a consideration of the interplay as a mediating factor in research involving African American students encapsulate the significance and implications of the study's findings. © 2008 Wiley Periodicals, Inc. J Res Sci Teach 45: 665–683, 2008 相似文献
12.
Katherine L. McNeill 《科学教学研究杂志》2011,48(7):793-823
Science includes more than just concepts and facts, but also encompasses scientific ways of thinking and reasoning. Students' cultural and linguistic backgrounds influence the knowledge they bring to the classroom, which impacts their degree of comfort with scientific practices. Consequently, the goal of this study was to investigate 5th grade students' views of explanation, argument, and evidence across three contexts—what scientists do, what happens in science classrooms, and what happens in everyday life. The study also focused on how students' abilities to engage in one practice, argumentation, changed over the school year. Multiple data sources were analyzed: pre‐ and post‐student interviews, videotapes of classroom instruction, and student writing. The results from the beginning of the school year suggest that students' views of explanation, argument, and evidence, varied across the three contexts with students most likely to respond “I don't know” when talking about their science classroom. Students had resources to draw from both in their everyday knowledge and knowledge of scientists, but were unclear how to use those resources in their science classroom. Students' understandings of explanation, argument, and evidence for scientists and for science class changed over the course of the school year, while their everyday meanings remained more constant. This suggests that instruction can support students in developing stronger understanding of these scientific practices, while still maintaining distinct understandings for their everyday lives. Finally, the students wrote stronger scientific arguments by the end of the school year in terms of the structure of an argument, though the accuracy, appropriateness, and sufficiency of the arguments varied depending on the specific learning or assessment task. This indicates that elementary students are able to write scientific arguments, yet they need support to apply this practice to new and more complex contexts and content areas. © 2011 Wiley Periodicals, Inc. J Res Sci Teach 48: 793–823, 2011 相似文献
13.
Previous research has demonstrated the potential of examining log-file data from computer-based assessments to understand student interactions with complex inquiry tasks. Rather than solely providing information about what has been achieved or the accuracy of student responses (product data), students' log files offer additional insights into how the responses were produced (process data). In this study, we examined students' log files to detect patterns of students' interactions with computer-based assessment and to determine whether unique characteristics of these interactions emerge as distinct profiles of inquiry performance. Knowledge about the characteristics of these profiles can shed light on why some students are more successful at solving simulated inquiry tasks than others and how to support student understanding of scientific inquiry through computer-based environments. We analyzed the Norwegian PISA 2015 log-file data, science performance as well as background questionnaire (N = 1,222 students) by focusing on two inquiry tasks, which required scientific reasoning skills: coordinating the effects of multiple variables and coordinating theory and evidence. Using a mixture modeling approach, we identified three distinct profiles of students' inquiry performance: strategic, emergent, and disengaged. These profiles revealed different characteristics of students' exploration behavior, inquiry strategy, time-on-task, and item accuracy. Further analyses showed that students' assignment to these profiles varied according to their demographic characteristics (gender, socio-economic status, and language at home), attitudes (enjoyment in science, self-efficacy, and test anxiety), and science achievement. Although students' profiles on the two inquiry tasks were significantly related, we also found some variations in the proportion of students' transitions between profiles. Our study contributes to understanding how students interact with complex simulated inquiry tasks and showcases how log-file data from PISA 2015 can aid this understanding. 相似文献
14.
Information communication technologies are rapidly finding a niche in practical work in science laboratories in both schools and tertiary institutions. This paper reports on a project investigating students' learning processes when video analysis and data logging practical work were used in a first-year undergraduate physics course. Student volunteers were group interviewed. Preliminary findings suggest that students were motivated by the tasks and perceived that the tasks helped them understand their physics concepts. The manual movement of the cart and the freeze-frame element of the video analysis were viewed positively by the students. Further analysis indicates that students used elements of the video analysis and data logging practical work to reinforce already existing ideas rather than challenge the robustness of their existing ideas. 相似文献
15.
Students' environmental NOS views,compassion, intent,and action: Impact of place‐based socioscientific issues instruction 下载免费PDF全文
下载免费PDF全文 Benjamin C. Herman 《科学教学研究杂志》2018,55(4):600-638
Preparing students to achieve the lofty goal of functional scientific literacy entails addressing the normative and non‐normative facets of socioscientific issues (SSI) such as scientific processes, the nature of science (NOS) and diverse sociocultural perspectives. SSI instructional approaches have demonstrated some efficacy for promoting students' NOS views, compassion for others, and decision making. However, extant investigations appear to neglect fully engaging students through authentic SSI in several ways. These include: (i) providing SSI instruction through classroom approaches that are divorced from students' lived experiences; (ii) demonstrating a contextual misalignment between SSI and NOS (particularly evident in NOS assessments); and (iii) framing decision making and position taking analogously—with the latter being an unreliable indicator of how people truly act. The significance of the convergent parallel mixed‐methods investigation reported here is how it responds to these shortcomings through exploring how place‐based SSI instruction focused on the contentious environmental issue of wolf reintroduction in the Greater Yellowstone Area impacted sixty secondary students' NOS views, compassion toward those impacted by contentious environmental issues, and pro‐environmental intent. Moreover, this investigation explores how those perspectives associate with the students' pro‐environmental action of donating to a Yellowstone environmental organization. Results demonstrate that the students' NOS views became significantly more accurate and contextualized, with moderate to large effect, through the place‐based SSI instruction. Through that instruction, the students also exhibited significant gains in their compassion for nature and people impacted by contentious environmental issues and pro‐environmental intent. Further analyses showed that donating students developed and demonstrated significantly more robust and contextualized NOS views, compassion for people and nature impacted by contentious environmental issues, and pro‐environmental intent than their nondonating counterparts. Pedagogical implications include how place‐based learning in authentic settings could better prepare students to understand NOS, become socioculturally aware, and engage SSI across a variety of contexts. 相似文献
16.
Researchers believe that the way that students talk, specifically the language that they use, can offer a window into their reasoning processes. Yet the connection between what students are saying and what they are actually thinking can be ambiguous. We present the results of an exploratory interview study with 10 participants, designed to investigate the role of language in university physics students' reasoning about heat in thermodynamic processes. The study revealed two key findings: (1) students' approaches to solving certain heat-related problems are related to the way in which they explicitly define the word ‘heat’ and (2) students' tendency to reason with heat as a state function in inappropriate contexts appears to be connected to a model of heat implicitly encoded in language. This model represents heat or heat energy/thermal energy as a substance that moves from one location to another. In this model, students talk about thermodynamic systems as ‘containers' of heat, and temperature is a measure of the amount of heat ‘in' an object. 相似文献
17.
This article explores the conceptual change of students in Grades 10 and 12 in three Australian senior high schools when the teachers included computer multimedia to a greater or lesser extent in their teaching of a genetics course. The study, underpinned by a multidimensional conceptual‐change framework, used an interpretive approach and a case‐based design with multiple data collection methods. Over 4–8 weeks, the students learned genetics in classroom lessons that included BioLogica activities, which feature multiple representations. Results of the online tests and interview tasks revealed that most students improved their understanding of genetics as evidenced in the development of genetics reasoning. However, using Thorley's (1990) status analysis categories, a cross‐case analysis of the gene conceptions of 9 of the 26 students interviewed indicated that only 4 students' postinstructional conceptions were intelligible–plausible–fruitful. Students' conceptual change was consistent with classroom teaching and learning. Findings suggested that multiple representations supported conceptual understanding of genetics but not in all students. It was also shown that status can be a viable hallmark enabling researchers to identify students' conceptual change that would otherwise be less accessible. Thorley's method for analyzing conceptual status is discussed. © 2006 Wiley Periodicals, Inc. J Res Sci Teach 44: 205–235, 2007 相似文献
18.
J. Elizabeth Richey Matthew L. Bernacki Daniel M. Belenky Timothy J. Nokes-Malach 《Journal of Experimental Education》2013,81(4):560-578
Models of achievement goals suggest that different tasks and contexts influence the goals students adopt at a given time. However, many studies of achievement goals rely on measures assessed at the class level, analyze results with a variable-centered approach, and employ self-report questionnaires, which may reduce understanding of the contextual factors that arise as students interact with tasks. We compared a behavioral, task-level measure of middle school students' achievement goals to a self-reported, class-level measure and analyzed both measures' relations to task performance and quarterly grades using both variable-centered and person-centered approaches. Task-level goals predicted task performance but not quarterly grades, while class-level goals predicted grades but not task performance. The two measures of achievement goals were not related. This work demonstrates the importance of measuring goals at multiple levels and suggests opportunities for changing students' behaviors and achievement through motivation at the task level. 相似文献
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20.
William Lan 《教育心理学》2005,25(1):109-127
To investigate students' self‐monitoring practice and effects of educational level and task importance on self‐monitoring, 510 students, varying in educational level from elementary through graduate school, reported the self‐monitoring strategies they employed in three learning situations with different levels of task importance. The study identified six self‐monitoring strategies used by students but found a low involvement in self‐monitoring at all educational levels. It was found that older students used more complex self‐monitoring strategies more frequently than younger students. The study also showed that students' self‐monitoring increased with task importance. The self‐monitoring deficiencies that students experienced in difficult learning tasks were attributed to the lack of a system of self‐monitoring. Educational applications of teaching self‐monitoring strategies and developing self‐monitoring systems for difficult learning tasks were discussed. 相似文献