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521.
Executive functioning and preschoolers' understanding of false beliefs, false photographs, and false signs 总被引:1,自引:1,他引:0
Two studies were conducted to investigate the specificity of the relationship between preschoolers' emerging executive functioning skills and false belief understanding. Study 1 ( N =44) showed that 3- to 5-year-olds' performance on an executive functioning task that required selective suppression of actions predicted performance on false belief tasks, but not on false photograph tasks. Study 2 ( N =54) replicated the finding from Study 1 and showed that performance on the executive functioning task also predicted 3- to 5-year-olds' performance on false sign tasks. These findings show that executive functioning is required to reason only about representations that are intended to reflect a true state of affairs. Results are discussed with respect to theories of preschoolers' theory-of-mind development. 相似文献
522.
523.
Ruth Jeanes Ramón Spaaij Jonathan Magee Karen Farquharson Sean Gorman Dean Lusher 《Sport Management Review》2018,21(1):38-50
The last two decades within Australia have witnessed a range of policies and strategies seeking to promote the inclusion of young people with disabilities within mainstream community sport clubs. Whilst research at an institutional level has highlighted the problems with mainstreaming agendas, few studies have examined how grassroots clubs, as key components of the supply side of inclusive provision seek to respond to such policy imperatives. In this paper, therefore, the authors provide a critical analysis of the ways in which clubs engage with inclusion policies in practice. Theoretically, the authors draw on the concept of policy enactment and educational inclusivity. Through analysis of semi-structured interviews with club volunteers, the findings illustrate three key areas. Firstly, the importance of individual volunteers in establishing and developing provision within clubs; secondly, the largely separatist nature of disability provision within clubs; and thirdly, that policies tend to encourage club to focus on narrow forms of participation that lead to competitive pathways and mirror the structure of mainstream sport. In the conclusion, the authors problematize the notion of inclusion presented in policy and practice, suggesting such imperatives do not encourage a holistic approach. 相似文献
524.
525.
Lynch M 《Endeavour》2003,27(2):93-97
In the mid-1980s, when the first DNA profiling techniques were developed, the name DNA 'fingerprinting' was widely used. At the time, fingerprinting was a well-established forensic method, and it was rarely questioned in the courts. Fingerprint examiners were permitted to describe matching prints as evidence of individual identity, and they were not required to give probability estimates. Despite its nominal association with the older technique, DNA 'fingerprinting' went through a period of controversy, especially in the US courts. The association with fingerprinting was questioned, and experts were required to qualify their testimony with probability figures. Heated debate occurred in scientific publications and law courts about the statistical and population genetic assumptions that went into the probability calculations presented in court cases. However, by the late 1990s DNA profiling was so widely accepted that it became a basis for invidious comparison with all other forms of forensic evidence, including fingerprinting. In the past three years, the admissibility of fingerprint evidence has been challenged in several US federal and state courts. This article discusses the socio-legal and socio-technical issues that led to the inversion of credibility that characterized the intertwined history of the two techniques. 相似文献
526.
In his 1976 book, Proofs and Refutations, Lakatos presents a collection of case studies to illustrate methods of mathematical discovery in the history of mathematics.
In this paper, we reframe these methods in ways that we have found make them more amenable for use as a framework for research
on learning and teaching mathematics. We present an episode from an undergraduate abstract algebra classroom to illustrate
the guided reinvention of mathematics through processes that strongly parallel those described by Lakatos. Our analysis suggests
that the constructs described by Lakatos can provide a useful framework for making sense of the mathematical activity in classrooms
where students are actively engaged in the development of mathematical ideas and provide design heuristics for instructional
approaches that support the learning of mathematics through the process of guided reinvention. 相似文献
527.
ABSTRACTCharter schools are often the only alternative to traditional public schools for students with disabilities in rural communities. Part of a larger study, we employed a qualitative multiple case study design to examine special education practices in five rural charter schools to understand the services provided, barriers to providing these services, and any novel practices used to provide these services. Data analysis revealed the following themes: (a) intentional school models facilitated individualized approaches, (b) schools responded to tight labor supply by prioritizing retention and making efficient use of staff time, and (c) schools demonstrate flexibility and willingness to problem solve. 相似文献
528.
In four experiments utilizing an appetitive conditioning preparation, reacquisition of conditioned responding was found to occur both rapidly and slowly following extinction. In Experiment 1, acquisition of responding to a tone that had been conditioned and extinguished occurred more rapidly than acquisition in either a group that received equivalent exposure to the food unconditioned stimulus or a “rest” control group that received only exposure to the apparatus in the first two phases. However, reacquisition was impaired relative to acquisition in a “learning-experienced” group that had previously received conditioning and extinction with a different stimulus. Experiments 2 and 3 produced similar results, but also found that high responding during reacquisition was confined to trials that followed reinforced, rather than nonreinforced, trials. Experiment 4, in which very few initial conditioning trials were used, produced reacquisition that was slow compared with both learning-experienced and rest controls. The results are consistent with a role for sequential learning: Reacquisition is rapid when animals have learned that reinforced trials signal other reinforced trials. 相似文献
529.
Rebecca A. Lynch M. Dale Steen Todd J. Pritchard Paul R. Buzzell Stephen J. Pintauro 《Journal of Food Science Education》2008,7(2):35-42
ABSTRACT: More than 76 million persons become ill from foodborne pathogens in the United States each year. To reduce these numbers, food safety education efforts need to be targeted at not only adults, but school children as well. The middle school grades are ideal for integrating food safety education into the curriculum while simultaneously contributing to national and state education standards in science, technology, and family and consumer sciences. For this project, a multimedia, self-paced online resource for delivering a food safety curriculum to middle school children was developed. Animated characters were used to deliver the lesson content. The application also included video segments, quiz feedback, and interactive games and activities. The effectiveness of the Web site was evaluated using validated cognitive and attitudinal assessment tools, and by comparing student cognitive gains to individual student learning styles. Participants were recruited from 6 middle schools in 5 states, totaling 217 students (20 sixth graders, 157 seventh graders, and 40 eighth graders). The results show that students had statistically significant modest gains in pretest to posttest knowledge and enjoyed using the Web site. The 6th grade students had significantly lower pretest to posttest improvement compared to 7th and 8th grade students, suggesting that this program may not be appropriate for this grade level. Furthermore, the results indicate that this Web-based computer application meets the needs of varying individual student learning styles. 相似文献
530.
The institutionalization of neoliberal reforms that began to take hold in the 1970s were by and large ‘common-sense governance’ by the 1990s. While the growing predominance of neoliberal discourse and marginalization of alternatives in environmental education is disconcerting on the level of policy, this paper explores an equally troubling phenomenon: the deepening of a neoliberal logic, such that it pervades the way we understand and relate with the world. Specifically, this paper draws upon an experience at a recent environmental education conference whereby participants were invited to explore three place-based inquiries inspired by Aldo Leopold in an urban environment: what is happening here? what has happened here? and what should happen here? Although the intention of the workshop was to explore some of the challenges involved in implementing a critical pedagogy of place, many of the participants seemed unwilling to criticize the way in which an urban downtown core suppresses the more-than-human aspects of place. We contend that environmental education is a key arena for debating the limits of neoliberalism and explore how these well-intentioned, but ultimately uncritical responses, run the risk of being appropriated by the ecologically destructive logic-informing neoliberal natures. 相似文献