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This article summarizes the current knowledge of response‐to‐intervention (RTI) models in preschool settings, with an emphasis on evaluating the strengths and weaknesses of our current research base. Particular attention is given to the unique challenges of high‐risk preschool settings. Presently, sufficient empirical support exists to begin establishing tiered intervention systems and building teacher capacity. Lacking, however, are valid and reliable assessment tools and insufficiently trained personnel to support a data‐based decision‐model within high‐risk preschools. We conclude that organizational development should focus on building teacher capacity, establishing high‐quality classroom instruction, and planning for sustainable programs, with adoption of a full RTI service delivery model serving as a long‐range aspirational goal. © 2011 Wiley Periodicals, Inc.  相似文献   

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A major objective of the current reform in science and chemistry education is the development of students' higher‐order cognitive skills (HOCS). A major question of concern is how to improve practice, via appropriate teaching strategies, to achieve the HOCS‐oriented instruction‐learning goals of college science and chemistry education, within the current reality of large, heavily populated chemistry classes. This article presents an action‐oriented research account of HOCS‐oriented teaching of organic chemistry to freshman and sophomore science majors in small and large classes at a relatively small and large university, respectively, within a purposed attempt of overall course design reform. Inquiry‐oriented class discussions, students' active involvement in the learning process, HOCS‐type examinations, and grading of exams by both peers and course graduates were successfully applied in both the small and large classes, demonstrating the feasibility and benefits to students of interactive, HOCS‐oriented pedagogies within the reality of both class sizes. The messages are that (a) there are implementable, appropriate teaching strategies for the development of students' HOCS abilities within the reality of large lecture sections of college chemistry courses; and (b) chemistry educators should take the trouble of working harder toward the attainment of this superordinate goal despite limiting constraints. © 1999 John Wiley & Sons, Inc. J Res Sci Teach 36: 583–596, 1999  相似文献   

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By delivering lectures online using screen capture technology, students can learn course material at the time and location of their choice, when they are in control to pause, rewind, and fast forward the professor. Class time is no longer spent teaching basic concepts, but rather focused on more value‐added activities such as problem solving, systems thinking and active learning, as well as potential collaborative exercises such as case studies, web‐based simulation games, and real‐world applications. A flipped classroom is an online course because its online components must compete with the best of the online courses. It is also a traditional course since not even a single class session is cancelled while all the lectures are delivered online. This core concept is reinforced by a network of resources and learning processes to ensure a smooth, lean, and synchronized course delivery system. Our pilot statistical analysis indicates that a flipped classroom, when implemented in a quantitative and analytical course, can outperform its alternatives.  相似文献   

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It is said that a picture is worth a thousand words, but what about graphs? Although graphs have the potential to bring data to life, numerous studies show that learners struggle with graphical comprehension. Furthermore, many textbook examples on graphs are boring and appear meaningless to students. Students want to know more about something which is interesting, meaningful, and worth knowing, in other words, something relevant. With the outbreak of the novel coronavirus in December 2019, COVID‐19 is dominating the news worldwide, and the internet is flooded with visual presentations about the virus. To make statistics more fascinating and exciting, relevant and real‐world data such as these can be used in the classroom to stimulate the learning of important statistical concepts such as graphs. Curcio's three levels of graphical comprehension were used as a framework in this study, while the importance of developing a global view on distributions was also emphasized.  相似文献   

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Statistical methods are increasingly being used to integrate findings from the ever‐expanding universe of empirical research. Meta‐analysis encompasses various techniques for synthesizing summary statistics, and mega‐analysis pools raw data across studies. This paper offers an introduction to meta‐analysis and mega‐analysis that complements the study of analysis of variance (ANOVA). After a brief conceptual discussion, we provide simple numerical examples.  相似文献   

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This article explores the pedagogical virtue of open‐mindedness in practice and its relationship to epistemic justice through analysis of a fictional, narrative case. The case focuses on a young white woman who attempts to implement a pedagogy of open‐mindedness as she teaches a unit on the civil rights movement. After presenting the case scenario, Tadashi Dozono and Rebecca Taylor examine three tensions that arise for teachers as they seek to enact a pedagogy of open‐mindedness. First, what form of open‐mindedness should guide them? Second, how should they respond to limits in their own knowledge and understanding? And finally, how should teachers exercise authority within a pedagogy of open‐mindedness? Their analysis confronts the tension between the teacher's own open‐mindedness, on the one hand, and the teacher's subject position, on the other. Through this exploration of open‐mindedness, Dozono and Taylor argue that, in practice, teachers must counteract legacies of epistemic injustice as a necessary part of cultivating their own and their students' access to open‐mindedness.  相似文献   

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Previous research has established that SAT scores and high school grade point average (HSGPA) differ in their predictive power and in the size of mean differences across racial/ethnic groups. However, the SAT is scaled nationally across all test takers while HSGPA is scaled locally within a school. In this study, the researchers propose that this difference in how SAT scores and HSGPA are scaled partially explains differences in validity and subgroup differences. Using a large data set consisting of 170,390 students each of whom matriculated at one of 114 separate colleges, the researchers find that awarding SAT scores by ranking SAT within a high school generally results in substantial reduction in the size of subgroup mean differences for this predictor. However, validity for predicting first‐year GPA is also reduced by a small amount. Conversely, placing HSGPA onto a nationally normed metric through the use of multiple regression procedures results in a moderate increase in the size of subgroup mean differences, while also producing a small increase in validity. Taken together, these findings suggest that differences in predictor scaling can partially explain differences in the size of subgroup mean differences between HSGPA and SAT scores and have implications for predictive power.  相似文献   

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Mechanisms underlying socioeconomic disparities in school readiness and health outcomes, particularly obesity, among preschool‐aged children are complex and poorly understood. Obesity can induce changes in proteins in the circulation that contribute to the negative impact of obesity on health; such changes may relate to cognitive and emotion regulation skills important for school readiness. We investigated obesity‐related hormones, body mass index (BMI), and school readiness in a pilot study of low‐income preschoolers attending Head Start (participating in a larger parent study). We found that the adipokine leptin was related to preschoolers' BMI z‐score, the appetite‐regulating hormones ghrelin and glucagon‐like peptide 1 (GLP‐1), and pro‐inflammatory cytokines typically associated with early life stress; and that some of these obesity‐related biomarkers were in turn related to emotion regulation. Future work should evaluate how obesity may affect multiple domains of development, and consider modeling common physiological pathways related to stress, health, and school readiness.  相似文献   

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The article presents some notes on normalization and illustrates these procedures using graphing functions in R. Using real data, the paper also presents an R package and online Shiny app that efficiently transforms variables in large datasets.  相似文献   

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Women's studies programs, multicultural centers, and organizations to support gay, lesbian, bisexual, and transgender students are campus fixtures. Few now question diversity's contribution to the education of all students. Jennifer Duffy suggests that it's time to acknowledge, support, and celebrate one more form of diversity that is mostly hidden: social class.  相似文献   

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Self‐stigma is a phenomenon in which negative public stereotypes about mental illness are internalized and can undermine help‐seeking. Unfortunately, little is known about how self‐stigmatization relates to positive well‐being indicators among youth. A sample of 134 high school students completed established measures of self‐stigma, well‐being, self‐esteem, self‐efficacy, and self‐criticism. Analyses confirmed that self‐stigma was associated with overall well‐being and five well‐being subscales (autonomy, environmental mastery, personal growth, positive relations, and self‐acceptance); the strongest associations were with autonomy and positive relations with others. The majority of these associations still held when simultaneously controlling for self‐esteem, self‐efficacy, and self‐criticism. Taken together, findings point to the need for greater awareness of self‐stigma along with an explicit focus on the promotion of protective well‐being in prevention work and interventions designed to alleviate the tendency for young people to internalize stigma. Additionally, findings have theoretical implications for the “why try” model of self‐stigma.  相似文献   

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How do native Chinese‐speaking (CS) and non‐Chinese‐speaking (NCS) children learn to read and write in Chinese? In the present study, 29 CS and 34 NCS second and third graders aged 76 to 122 months (M = 93.65) participated in an experiment where they were taught 16 new Chinese characters in one of four conditions – copy, radical, phonological and look–say. Results showed that the copying condition best facilitated writing of Chinese characters for both groups, whereas radical knowledge facilitated only CS children's writing. NCS children benefited more from the phonological condition than from the look–say condition in learning to read Chinese. These results highlight the effectiveness of copying practice for all children learning to write Chinese. However, approaches to reading and writing Chinese may differ somewhat depending on the Chinese background knowledge of the children as well. Teaching children Chinese should be geared towards the strengths of different groups for learning.  相似文献   

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Six‐month‐olds reliably discriminate different monkey and human faces whereas 9‐month‐olds only discriminate different human faces. It is often falsely assumed that perceptual narrowing reflects a permanent change in perceptual abilities. In 3 experiments, ninety‐six 12‐month‐olds’ discrimination of unfamiliar monkey faces was examined. Following 20 s of familiarization, and two 5‐s visual‐paired comparison test trials, 12‐month‐olds failed to show discrimination. However, following 40 s of familiarization and two 10‐s test trials, 12‐month‐olds showed reliable discrimination of novel monkey faces. A final experiment was performed demonstrating 12‐month‐olds’ discrimination of the monkey face was due to the increased familiarization rather than increased time of visual comparison. Results are discussed in the context of perceptual narrowing, in particular the flexible nature of perceptual narrowing.  相似文献   

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