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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
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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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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
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This study investigated the effects of Guided Discovery vs. Didactic methods of instruction upon the acquisition of certain inquiry skills. At the same time, the effects of method on the attainment of factual-conceptual achievement was assessed. Hypotheses of no interaction of the methods variable with the learner variables—sex, measured intelligence, creativity, interest in science, general scholastic achievement, and science achievement—were also tested. The sample consisted of 140 8th-grade students. The duration of the experimental unit was six weeks. The subject matter was the same for each, “Early Man in America.” The results favored the Didactic group for the factual-conceptual achievement and the Guided Discovery for the acquisition of inquiry skills. However, in the latter there was an interaction of method with levels of measured intelligence and achievement. 相似文献
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