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Rats confronted with the onset of a light gradient display a transient increase in locomotion called theactivity response (AR) and a dark preference (Godsil & Fanselow, 2004). These experiments demonstrate that the magnitude of the AR can be blunted
with Pavlovian fear-conditioning procedures via associative and nonassociative fear. Although manifested in decreased locomotion,
the blunted AR effect was not due to increased freezing or immobility behaviors. Instead, rats displayed reduced rearing and
an increase in a class of behaviors calledstationary activity. These results suggest that the lighting differential supplied by the cue influences the topography of defensive behavior
and reduces the expression of freezing. This procedure provides a means by which to examine learned and unlearned defensive
responses to the same stimulus. 相似文献
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Bill Kennedy 《Publishing Research Quarterly》2010,26(3):187-192
A concise review is presented of the essential elements of the book publishing and bookselling business in a complex and diverse
market. Demographics create the diversity while Arabic is the one language spoken across a multitude of different countries.
Three features are common to all of these countries and they are: the dominance of English as the second language, education
has and will remain to be a priority, and economic pressures cause price sensitivity to be a major challenge especially in
the educational market segments. It is the price sensitivity as a key factor for the lack of respect for intellectual property
and copyright regulations. A review of distribution and retail stores is a very important topic in relation to this complex
collection of countries. The emergence of e-books is discussed especially in the educational, professional and reference market
segments. Finally, there is a review of the Arabic language publishers and local book fairs to bring this article to closure. 相似文献
36.
Bill Connor 《School Leadership & Management》2013,33(2):163-165
This paper is about the experience of preparation for incorporation in a sixth form college. The purpose of the paper is to take an analytical and reflective view of recent practice and developments which may have applications for all education managers facing externally imposed change. Its focus is on communication and consultation structures, the changing balance of power as institutions become independent of local authorities, and industrial relations in a new culture. It concludes that, without a full understanding of internal processes and structures and a strategy for strengthening them, colleges will continue to be ill‐equipped for survival as incorporated institutions. 相似文献
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Nicola A. Conners-Burrow Lorraine M. McKelvey Jill J. Fussell 《Early education and development》2013,24(2):256-273
Research Findings: The purpose of this study was to examine the relationship between preschool children's social outcomes in the classroom (including hyperactivity, aggression, and social skills) and their media viewing habits (including the amount of television they watch and whether they watch videos/movies that are rated as inappropriate for young children). The participants were 92 low-income pre-kindergarten-age children for whom we obtained parent reports of media viewing habits and teacher reports of classroom behavior. The results suggested that viewing of inappropriate content was associated with higher hyperactivity and aggression scores and a lower social skills rating, whereas the amount of viewing was not related to these classroom outcomes. Policy: There has been a great deal of focus on how both the amount and content of television viewed affects social development in middle and later childhood. These studies have helped influence the development of guidelines for parents of young children to limit media viewing. The findings from the present study suggest that school personnel and others should monitor the content of what preschoolers are watching and should educate parents about the potential impact of media viewing on children's classroom behavior. 相似文献
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Education reform in England has seen many policies and initiatives introduced by central government. This article discusses two such policies, performativity and creativity. Performativity has been central to the government's agenda of raising standards and includes monitoring mechanisms such as Office for Standards in Education (Ofsted) inspections, performance management and school league tables, all of which are used to measure or judge the value or worth of a school or individual teacher. At the same time as policies on performativity have been implemented, policy makers have introduced a number of policies to encourage creativity in education. This article foregrounds teachers of design and technology (D&T) at secondary level (11–16 years), describing how they struggled to implement both strategies. Teachers valued creativity and thought it was an important part of the subject, but the pressure to be seen to be performing and getting favourable positions in school league tables and Ofsted inspections meant the teaching of D&T became rather formulaic, which allowed very little opportunity for creative learning. Individual interviews were conducted with 14 D&T teachers across six schools and an open‐ended email survey was conducted with a further 17 D&T teachers from 15 schools during the preliminary phase of a research and intervention project. In addition, 69 D&T teachers across eight schools completed a questionnaire at the start of the main intervention period. Data from 126 student interviews across six schools are used to support the teacher data outlined above. 相似文献