منابع مشابه
Scaling Up Educational Interventions
Some educational interventions successfully “scale up.” Others do not. Little— arguably, almost nothing—is known about the factors that lead to successful scaling up. The goal of this chapter is to identify a number of these factors through a disciplined and methodologically rigorous approach. The difficulties associated with scaling up can broadly be summarized as falling into two classes: (1)...
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BACKGROUND Current immunisation levels in England currently fall slightly below the threshold recommended by the World Health Organization, and the three-year trend for vaccination uptake is downwards. Attitudes towards vaccination can affect future decisions on whether or not to vaccinate, and this can have significant public health implications. Interventions can impact future vaccination dec...
متن کاملEducational interventions to advance children's scientific thinking.
The goal of science education interventions is to nurture, enrich, and sustain children's natural and spontaneous interest in scientific knowledge and procedures. We present taxonomy for classifying different types of research on scientific thinking from the perspective of cognitive development and associated attempts to teach science. We summarize the literature on the early--unschooled--devel...
متن کاملContamination in trials of educational interventions.
OBJECTIVES To consider the effects of contamination on the magnitude and statistical significance (or precision) of the estimated effect of an educational intervention, to investigate the mechanisms of contamination, and to consider how contamination can be avoided. DATA SOURCES Major electronic databases were searched up to May 2005. METHODS An exploratory literature search was conducted. ...
متن کاملEducational Interventions Need to Be Defined Precisely
As a final point the authors state that the small size of the study was a potential limitation, but here I would disagree. They state that “increasing sample size would make small differences significant” – but that exactly what the researchers should be avoiding. A large sample might show an improvement that was statistically significant, but not clinically or educationally significant. For th...
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ژورنال
عنوان ژورنال: BMJ
سال: 2008
ISSN: 0959-8138,1756-1833
DOI: 10.1136/bmj.39514.418067.80