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141.
The attenuation of an LiCl-induced conditioned taste aversion (CTA) by LiCl preexposure is mediated primarily by associative blocking via injection-related cues. Given that preexposure to morphine attenuates morphine-induced CTAs, it was of interest to determine whether injection cues also mediate this effect. Certain morphine-induced behaviors such as analgesic tolerance are controlled associatively, via injection-related cues. Accordingly, animals in the present experiments were preexposed to morphine (or vehicle) every other day for five total exposures, followed by an extinction phase, in which the subjects were given saline injections (or no treatment) for 8 (Experiment 1) or 16 (Experiment 2) consecutive days. All of the animals then received five CTA trials with morphine (or vehicle). The morphine-preexposed animals in Experiment 1 displayed an attenuation of the morphine CTA that was unaffected by extinction saline injections, suggesting that blocking by injection cues during morphine preexposure does not mediate this effect. All of the morphine-preexposed subjects in Experiment 2 displayed a weakened preexposure effect, an effect inconsistent with a selective extinction of drug-associated stimuli. The attenuating effects of morphine preexposure in aversion learning are most likely controlled by nonassociative mechanisms, like drug tolerance. 相似文献
142.
Andrew S. Davis 《Psychology in the schools》2006,43(4):503-512
A clear link exists between neurological dysfunction and psychopathology in children, as evidenced by research on the sequelae of developmental childhood brain impairment, the neuropsychological investigation of children with psychiatric disorders, and neuroimaging research. Understanding the neuropsychological basis of a disorder helps teachers, parents, and children better understand the etiology of the disorder and guide classroom interventions. Additionally, identifying morphological markers of childhood mental disorders may lead to earlier and more successful interventions. This article reviews the neuropsychological relationships between brain impairment and childhood mental disorders as well as investigates the biological basis for some common childhood disorders seen in the schools. Emphasis is placed upon the underlying neurological and neuropsychological deficits that constitute disorders, and implications for practitioners are discussed. © 2006 Wiley Periodicals, Inc. Psychol Schs 43: 503–512, 2006. 相似文献
143.
We formulate a distinctly 'political liberal' conception of mutual respect, which we call 'civic respect', appropriate for governing the public political relations of citizens in pluralist democratic societies. A political liberal account of education should aim at ensuring that students, as future citizens, learn to interact with other citizens on the basis of civic respect. While children should be required to attend educational institutions that will inculcate in them the skills and concepts necessary for them to be free and equal citizens, parents should be granted as much freedom as is compatible with the requirements of civic respect to raise their children in accordance with their respective 'comprehensive doctrines' (systems of beliefs and values, including religious doctrines). We consider an objection to our position drawn from the account of upbringing recently advanced by Matthew Clayton, namely, that the conception of civic respect that we advance rests on an implausible view about the limited scope of the requirements of political justice. We develop an account of the 'basic structure of society' as the appropriate subject of political justice that can overcome this objection. 相似文献
144.
Developing undergraduate research skills in a faculty of education: motivation through collaboration
This paper explores motivational factors underpinning undergraduates’ learning of research skills through individual research projects with collaborative tutorials. Research has long pointed to group support, positive affect and scaffolding as important for motivating and facilitating learning. Furthermore, UK government priorities have placed an increasing emphasis on the need to develop the key skills of inquiry and working with others. However, this is set in a context of assessment and practice in higher education that encourages individualist and instrumental perspectives on gaining competencies and knowledge. Traditionally undergraduate research skills have been taught through lectures and small‐scale projects chosen by the students with individual tutorial support in a faculty of education. Here our action research introduced collaborative tutorials as another element of teaching. We examine the process of collaboration to explore factors that support motivation to learn through two principal theoretical frameworks. 相似文献
145.
Julie Davis 《Environmental Education Research》2009,15(2):227-241
In 2007, Environmental Education Research dedicated a special issue to childhood and environmental education. This paper makes a case for ‘early childhood’ to also be in the discussions. Here, I am referring to early childhood as the before‐school years, focusing on educational settings such as childcare centres and kindergartens. This sector is one of the research ‘holes’ that Reid and Scott ask the environmental education community to have the ‘courage to discuss’. This paper draws on a survey of Australian and international research journals in environmental education and early childhood education seeking studies at their intersection. Few were found. Some studies explored young children’s relationships with nature (education in the environment). A smaller number discussed young children’s understandings of environmental topics (education about the environment). Hardly any centred on young children as agents of change (education for the environment). At a time when there is a growing literature showing that early investments in human capital offer substantial returns to individuals and communities and have a far‐reaching effect – and when early childhood educators are beginning to engage with sustainability – it is vital that our field responds. This paper calls for urgent action – especially for research – to address the gap. 相似文献
147.
This article reports findings from a research project which developed and introduced the Enhanced Learning Support Assistant Programme (ELSAP) as a source of professional development for learning support assistants who were supporting students with additional learning needs in a college of further education in England. The purpose of this article is to share findings from the project and to highlight the benefits experienced when learning support assistants can participate in professional development activity. The research project was a mixed methods study with participants drawn from learning support assistants within one college of further education in England. Data were collected throughout the 14‐week intervention. Findings indicate that the programme had a positive effect on participants' confidence, sense of professional identify and of being valued, as well as improving their ability to perform their role. 相似文献
148.
Davis A. Scott 《Communication Studies》2013,64(4):263-269
In 1884, a street corner harangue by the local precinct captain precipitated a torch light parade; the coming of a presidential aspirant caused the whole countryside to erupt. This article presents some of the color, bustle, hysteria, and rhetoric which accompanied James G. Blaine's week‐long but fruitless effort to capture the electoral votes of a crucial state. 相似文献
149.
Laurie Davis Kristin Morrison Xiaojing Kong Yuanyuan McBride 《Educational Measurement》2017,36(3):35-45
The use of tablets for large‐scale testing programs has transitioned from concept to reality for many state testing programs. This study extended previous research on score comparability between tablets and computers with high school students to compare score distributions across devices for reading, math, and science and to evaluate device effects for gender and ethnicity subgroups. Results indicated no significant differences between tablets and computers for math and science. For reading, a small device effect favoring tablets was found for the middle to lower part of the score distribution. This effect seemed to be driven by increases in performance for male students when testing on tablets. No interactions of device with ethnicity were observed. Consistent with previous research, this study provides additional evidence for a relatively high degree of comparability between tablets and computers. 相似文献
150.
Chayna J. Davis Valerie S. Knopik Richard K. Olson Sally J. Wadsworth John C. DeFries 《Annals of dyslexia》2001,51(1):231-247
The present study assesses the genetic and environmental etiologies of reading, rapid naming (RN), and their covariation by
fitting multivariate structural equation models to data from 587 twin pairs in which at least one member of the pair exhibited
reading difficulties (low-range) and from 360 control (normal-range) twin pairs who were tested in the Colorado Learning Disabilities
Research Center. Results from a bivariate phenotypic analysis with two hypothesized latent factors, READ and RN, indicated
that the correlation between reading and rapid naming performance for the low-range sample was significantly higher than that
of the normal-range sample. When this model was partitioned to include estimates of genetic, shared environmental, and nonshared
environmental influences, resulting heritability estimates did not differ significantly for the low-range and normal-range
samples for either READ or RN. However, similar to the phenotypic correlation, the genetic correlation between the READ and
RN latent factors could not be equated for the two groups. Thus, the etiology of the relationship between reading performance
and rapid naming may differ for children with reading difficulties and normally-achieving readers. Moreover, these results
support previous findings that the best predictors of reading skills may differ for samples of children with normal reading
levels and those with reading difficulties. 相似文献