Nouns Mark Category Relations: Toddlers'' and Preschoolers'' Word-Learning Biases     

Sandra R. Waxman  Toby D. Kosowski 《Child development》1990,61(5):1461-1473

Recent research suggests that preschool children approach the task of word learning equipped with implicit biases that lead them to prefer some possible meanings over others. The noun-category bias proposes that children favor category relations when interpreting the meaning of novel nouns. In the series of experiments reported here, we develop a stringent test of the noun-category bias and reveal that it is present in children as young as 2 years of age. In each experiment, children participated in a 5-item match-to-sample task. Children were presented with a target item (e.g., a cow) and 4 choices, 2 of which belonged to the same superordinate category as the target (e.g., a fox and a zebra) and 2 of which were thematically related to the target (e.g., milk and a barn). In Experiment 1 we demonstrate that novel nouns prompt preschool children to attend to superordinate-level category relations, even in the presence of multiple thematic alternatives. In Experiment 2, we ascertain that the bias is specific to nouns; novel adjectives do not highlight superordinate category relations. In Experiment 3, we demonstrate the noun-category bias in 2-year-olds. The nature and utility of the noun-category bias are discussed.  相似文献   

Comparison of computed tomography and chest radiography in the detection of rib fractures in abused infants     

Wootton-Gorges SL  Stein-Wexler R  Walton JW  Rosas AJ  Coulter KP  Rogers KK 《Child abuse & neglect》2008,32(6):659-663

PURPOSE: Chest radiographs (CXR) are the standard method for evaluating rib fractures in abused infants. Computed tomography (CT) is a sensitive method to detect rib fractures. The purpose of this study was to compare CT and CXR in the evaluation of rib fractures in abused infants. METHODS: This retrospective study included all 12 abused infants identified from 1999 to 2004 who had rib fractures and both CXR and CT (8 abdomen CTs, 4 chest CTs). CT exams had been performed for clinical indications, and were obtained within one day of the CXR. Studies were reviewed by two pediatric radiologists to determine the number, locations, and approximate ages of the rib fractures. A total of 225 ribs were completely (192) or partially (33) seen by CT, and the matched ribs on CXR were used for the analysis. RESULTS: The mean patient age was 2.5 months (1.2-5.6), with seven females and five males. While 131 fractures were visualized by CT, only 79 were seen by CXR (p<.001). One patient had fractures only seen by CT. There were significantly (p<.05) more early subacute (24 vs. 4), subacute (47 vs. 26), and old fractures (4 vs. 0) seen by CT than by CXR. Anterior (42 vs. 11), anterolateral (21 vs. 12), posterolateral (9 vs. 3) and posterior (39 vs. 24) fractures were better seen by CT than by CXR (p<.01). Bilateral fractures were detected more often by CT (11) than by CXR (6). CONCLUSIONS: While this study group is small, these findings suggest that CT is better than CXR in visualizing rib fractures in abused infants.  相似文献   

Models of influence on mathematics instructional coaches     

Sue Brown  Scott Harrell  Sandra Browning 《Mentoring & Tutoring: Partnership in Learning》2017,25(5):566-588

In our study, we examine the factors influencing the implementation of a mathematics coaching initiative at four high schools including the assets an instructional coach brings to the position and the challenges unique to each school. In our case study we include data collected in individual interviews with instructional coaches, focus groups with Algebra I teams, and coaching logs. Four models of coaching behavior emerged from the data collected in the study: coach as facilitator, coach as mediator, coach as dictator, and coach as victim. No role was associated exclusively with any particular instructional coach. However, which role the coach assumed hinged on one or more factors: the coach’s leadership style, the context in which the coach served, and the dynamics of the situation.  相似文献   

A Study of Functional Literacy Skills in Young Adults with Down Syndrome     

Sandra Bochner  Lynne Outhred  Moira Pieterse 《International Journal of Disability, Development & Education》2001,48(1):67-90

This paper presents data from a study of young adults with Down syndrome who were born either just before, or during the period when radical changes to special education services for people with intellectual disabilities were introduced. The specific aim of the study was to examine the development of language and literacy skills in a group of young adults with Down syndrome, some of whom had been educated at a time when there was an increase in expectations for achievement and opportunity to learn. Results showed that all but one of the young adults had learned to read, though for some, these skills were limited. In general, there was evidence of a positive relationship between age (for those born after 1970), attendance at an integrated school situation, and the achievement of more advanced reading and language skills. It was also evident that learning to read provides both a functional daily living skill and a satisfying recreational activity for young adults with Down syndrome.  相似文献   

Accountability in Partnership or Partnership in Accountability: Initial teacher education in Northern Ireland     

Leslie Caul  Sandra McWilliams 《欧洲师范教育杂志》2002,25(2-3):187-197

This paper analyses accountability and partnership in Initial Teacher Education for the primary school sector in Northern Ireland. In considering teacher education, the paper focuses on three higher education institutions: Stranmillis University College, St Mary's University College and the University of Ulster. Of the three institutions, the Roman Catholic Church maintains St Mary's University College while the other institutions have no religious affiliations. The paper focuses on the reform of teacher education within the British Isles and sets Northern Ireland into a context of a system of teacher education which has developed new patterns of accountability. Three sources of evidence are used to analyse accountability; firstly the perception of schools that are partners in Initial Teacher Education; secondly, the views of the Education and Training Inspectorate who are responsible for accrediting teacher education in Northern Ireland; and thirdly, the views of the three university schools of education. The paper will demonstrate how teacher education in Northern Ireland is simultaneously similar to, and different from, teacher education in the rest of the developed world. It will illuminate the dimensions of accountability in the primary school sector and show how in Northern Ireland this is heavily segregated by religious denomination.  相似文献   

Enhancing prospective teachers’ conceptions of teaching and science     

William C. Kyle  Sandra Abell  James A. Shymansky 《Journal of Science Teacher Education》1989,1(1):10-13

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Introducing positive psychology: Finding a place within school psychology     

Sandra M. Chafouleas  Melissa A. Bray 《Psychology in the schools》2004,41(1):1-5

An introduction to the special issue addressing positive psychology and its “place” in and implications for schools is provided. The articles contained within the issue are described within the context of our perspective regarding positive psychology in schools. As the study of positive psychology continues to evolve, it is likely that its application within other fields (including school psychology) will be more clearly expressed. We contend that the “success” of introducing, implementing, and sustaining positive psychology within schools may be dependent on its early yet also sustained integration across multiple contexts. And, a “positive” school psychology will require attention to the convergence of multiple, diverse areas of literature. The articles within this special issue begin this movement toward finding either a place for positive psychology within school psychology or a place for school psychology within positive psychology. © 2004 Wiley Periodicals, Inc. Psychol Schs 41: 1–5, 2004.  相似文献   

Helping students overcome depression and anxiety: A practical guide     

Mahri J. Elinoff  Sandra M. Chafouleas 《Psychology in the schools》2004,41(2):277-278

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Group Size and Storybook Reading: Two-Year-Old Children's Verbal and Nonverbal Participation With Books     

Laurelle B. Phillips  Sandra Twardosz 《Early education and development》2003,14(4):453-478

Storybook reading in child care classrooms typically occurs in one large group, a context that does not provide opportunities for each child to talk about the book. Two-year-old children, in particular, need individual support to facilitate their language participation, and they want to touch the book and be close to the teacher. The purpose of the present study was to determine if reducing group size would increase 2-year-old children's engagement and verbal participation during storybook reading, and to describe their nonverbal participation. Fifteen 2-yearold children and six teachers in two classrooms participated. A multiple baseline across settings time-series experimental design was used. Videotapes were transcribed and coded for children's engagement, comments and questions, and nonverbal participation. Observations of book use were conducted during freeplay. The average number of comments and questions per child approximately doubled when reading occurred in small groups. Children participated nonverbally by actions such as pointing, handling books, moving close to the teacher, interacting with peers, and pretending. The results indicate that reducing group size can be an effective method for increasing the verbal participation of 2-year-old children during storybook reading in child care classrooms. The results are discussed in terms of the importance of ecological context, and ways of including small group storybook reading in the daily schedule are suggested.  相似文献   

Measuring Student Perceptions of Blackboard Using the Technology Acceptance Model   总被引：1，自引：0，他引：1  

Brett J. L. Landry  Rodger Griffeth  Sandra Hartman 《Decision Sciences Journal of Innovative Education》2006,4(1):87-99

Web Enhanced Instruction (WEI) is not intended to replace the traditional classroom setting, but rather to supplement the traditional lecture with course content that can be accessed from campus or the Internet. WEI has the potential to extend the boundaries of traditional classrooms by providing new opportunities for communication and interaction between students and the instructor. While the potential benefits of augmenting the traditional class with WEI have been recognized and discussed, what has remained largely unknown are student reactions to WEI as an addition to the traditional lecture. The Technology Acceptance Model (TAM) has been widely used in the Information Systems research to gather user reactions to information systems. The TAM examines users' perceptions of Usage, Usefulness, and Ease of Use. This research applied the TAM to the academic setting to measure student reactions to Blackboard, the WEI tool used in this study. Using several multivariate methods, results suggest that students (n = 692) found that the Blackboard elements which are associated with Course Content (Course Documents, Lectures, Student Tools, Announcements, and Quizzes) are used more often and are seen as more useful than those items that provide Course Support and communication (Discussion Board, External Web Sites, Faculty Information, and E‐Mail).  相似文献