变化(天文学)
随机对照试验
课程
词汇
阅读理解
心理学
阅读(过程)
理解力
干预(咨询)
数学教育
词汇发展
随机试验
计算机科学
医学教育
教育学
教学方法
语言学
医学
统计
数学
哲学
物理
外科
精神科
天体物理学
程序设计语言
作者
Lisa Hsin,Luke Miratrix,Ha Yeon Kim,Maria D. LaRusso,Catherine E. Snow
摘要
Understanding the factors associated with variation in the implementation of educational programs has emerged as a key research focus, in an effort to identify how promising programs can be scaled up across their targeted contexts. The current study explored demographic-related variation in program dosage using a novel source of implementation data from the treatment group in a randomized controlled trial (RCT) of Word Generation, a curriculum designed to support deep reading comprehension and academic language. Both student- and teacher/classroom-level predictors were associated with variation in the proportion of curricular activities students completed. We also evaluated how variation in treatment-group program dosage distinctively predicted growth on the RCT’s key outcome measures of taught vocabulary words, academic language, and deep reading comprehension. We conclude that design and evaluation of future RCTs would benefit from procedures to predict implementation variation and its consequences prior to randomization.
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