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101.
102.
Stephen J. Gaioni Howard S. Hoffman Peter DePaulo Valerie Newby Stratton 《Learning & behavior》1978,6(1):19-26
Ducklings (Anas Platyrhynchos domesticus) older than the so-called critical period (Days 1 and 2 posthatch) were exposed to an imprinting stimulus after various experimental histories. The first study found that in previously isolated 10-day-old subjects the stimulus exhibited the same capacity to reinforce an operant response and to generate a burst-like pattern of responding as in ducklings imprinted to it on Day 1. In Experiment 2, an imprinting stimulas exhibited reinforcing capacities in 5 to 10-day-old ducklings that had previously been imprinted to a different stimulus. Most of these ducklings came to prefer the second imprinting stimulus over the first. Experiment 3 revealed that in 5-day-old ducklings with a prior history of imprinting to a different stimulus, the otherwise neutral features of a new imprinting stimulus acquired the same kind of persistent control over distress vocalization that they acquire in younger, naive subjects. In all these studies, the only difference between imprinting in older vs. younger subjects was that in older subjects a novel imprinting stimulus initially evoked fear reactions rather than filial behavior. These findings contradict the traditional view of imprinting as an irreversible process that occurs only during a brief critical period, but are entirely consistent with a reinforcement model of imprinting. 相似文献
103.
The Evolution of the UK’s Research Assessment Exercise: Publications,Performance and Perceptions 总被引:1,自引:0,他引:1
Valerie Bence Charles Oppenheim 《Journal of educational administration and history》2005,37(2):137-155
This article examines how the UK Research Assessment Exercise (RAE), along with the development of performance indicators, fits into the production of research within a changing policy context. The historical evolution of the RAE from 1985–2001 is considered, before looking specifically at how research output (in the form of journal publications) was, and is, assessed. Changes in process and output measurements necessitated a move from quantitative to quality evaluation, which affected both academic publishing and the role of journals within the RAE. The issue of quality – in terms of perceptions and performance – as applied to both is explored. 相似文献
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Politics, Markets, and America's Schools is an ambitious book that draws eclectically on concepts from political science, the sociology of organizations and educational learning theory. Chubb and Moe employ an extensive array of data seeking to link the mechanisms that control school operations to student achievement. They conclude that a total restructuring of the governance system of American education — from democratic to market control — is necessary. Our review scrutinizes a set of critical decisions made by Chubb and Moe in defining their key concepts and in the analytical models employed in this research. We argue that many of these decisions are not justified on either theoretical or methodological grounds. Moreover, the cumulative effect of the decision tends to tilt the empirical evidence toward supporting the authors' a priori beliefs. As a result, we conclude that Politics, Markets, and America's Schools is best viewed as a policy argument, where extensive, but not always solid empirical evidence has been artfully employed to advance the authors' preconceived notions about American schooling. 相似文献
107.
Bert F. Green Carolyn R. Crone Valerie Greaud Folk 《Journal of Educational Measurement》1989,26(2):147-160
A method of analyzing test item responses is advocated to examine differential item functioning through distractor choices of those who answer an item incorrectly. The analysis, called Differential Distractor Functioning, uses log-linear models of a three-way contingency table to examine whether there is an interaction of population subgroup and option choice when ability is held constant. The analysis is explained and is exemplified in an analysis of the Verbal portion of a recent Scholastic Aptitude Test. 相似文献
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Yang Xiaotong Rahimi Seyedahmad Shute Valerie Kuba Renata Smith Ginny Alonso-Fernández Cristina 《Educational technology research and development : ETR & D》2021,69(2):1055-1075
Educational technology research and development - In-game learning supports aim to help students solve game levels (i.e., game-related supports), and connect to underlying content (i.e.,... 相似文献
110.
Valerie Marciarille LeVasseur Paul Macaruso Donald Shankweiler 《Reading and writing》2008,21(3):205-230
On the ground that reading fluency entails appropriate phrasing or prosody as well as facile word recognition, we investigated
the effectiveness of text-based and word-based repeated readings procedures for promoting fluency of reading aloud and comprehension
in second-grade children. Repeated readings of text printed with spaces between phrases and ends of lines at clause boundaries
(phrase-cued text), repeated readings of text printed with conventional layout (standard text), and repeated readings of lists
of difficult words from text were compared. Computer-based, guided repeated reading training intervened between a pretest
and post-test reading of text. Each training condition led to significant benefits on one or more of the experimental measures
obtained from reading aloud. Repeated readings with text resulted in greater gains in fluency than repeated readings with
word lists. Reading with natural prosody was most strongly facilitated by repeated readings of phrase-cued text, which provided
visible support for sentence structure.
相似文献
Valerie Marciarille LeVasseurEmail: |