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The literature on training approaches for both pre-service and in-service teacher training has been dominated since the 1980s by reflective approaches. This has undoubtedly influenced the relatively recent introduction of reflective approaches in developing countries. This article explores efforts, within an action research study of a 3-year (1995–1997) In-service Education and Training (INSET) programme, to implement reflective approaches in the training of unqualified and underqualified primary...
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This manual describes development and use of the revised "Scales for Rating the Behavioral Characteristics of Superior Students" (SRBCSS-R), a teacher judgment instrument appropriate for use as one measure in the identification of gifted students. Part 1 explains the judgmental and empirical procedures used to revise the items on the original SRBCSS-R and the methods for conducting two field test administrations of the revised scales. It also presents the results from the analyses and the...
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This study uses a national probability sample of 1,027 mathematics and science teachers to provide the first large-scale empirical comparison of effects of different characteristics of professional development on teachers’ learning. Results, based on ordinary least squares regression, indicate three core features of professional development activities that have significant, positive effects on teachers’ self-reported increases in knowledge and skills and changes in classroom practice: (a)...
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Much recent research interest has focused on handling uncertainty in cost-effectiveness analysis and in particular the calculation of confidence intervals for incremental cost-effectiveness ratios (ICERs). Problems of interpretation when ICERs are negative have led to two important and related developments: the use of the net-benefit statistic and the presentation of uncertainty in cost-effectiveness analysis using acceptability curves. However, neither of these developments directly...
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For two cohorts of children from low- to moderate-income families, time-use diaries of television viewing were collected over 3 years (from ages 2-5 and 4-7 years, respectively), and tests of reading, math, receptive vocabulary, and school readiness were administered annually. Relations between viewing and performance were tested in path analyses with controls for home environment quality and primary language (English or Spanish). Viewing child-audience informative programs between ages 2...
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The educational enterprise is in the midst of a philosophical shift from a behaviorist to a constructivist paradigm. If constructivism is to be taken seriously as a new educational paradigm in the information age, learning technology R&D must pay more attention to learners instead of teachers. A constructivist learning environment (CLE) is a technology-rich, open place where a learner can use a variety of tools and information resources in his pursuit of learning goals and problem-solving...
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Long before the term "Digital Divide" became a common term to describe gaps between the rich and poor in the effective access and use of information technology (IT), most policy makers, researchers and practitioners could at least agree on one thing: Reaching the poorest of the poor was going to be the most difficult of challenges.
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The Tower of Hanoi (ToH) task was given to 238 children aged from 7 to 15 years, and 20 adults. Individual variation within an age band was substantial. ToH score did not correlate significantly with Verbal IQ, nor with ability to inhibit a prepotent response. We readministered the ToH to 45 children after 30 to 40 days. The test-retest correlation of ·5 is low in relation to accepted psychometric standards, though at least as high as reliability of the related Tower of London (ToL) in...
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In Development as Freedom Amartya Sen explains how in a world of unprecedented increase in overall opulence millions of people living in the Third World are still unfree. Even if they are not technically slaves, they are denied elementary freedoms and remain imprisoned in one way or another by economic poverty, social deprivation, political tyranny or cultural authoritarianism. The main purpose of development is to spread freedom and its 'thousand charms' to the unfree citizens. Freedom, Sen...
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Thesis (doctoral)--University of Twente, 2001.