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Direct linkChan, Wendy – Journal of Research on Educational Effectiveness, 2017
Recent methods to improve generalizations from nonrandom samples typically invoke assumptions such as the strong ignorability of sample selection, which is challenging to meet in practice. Although researchers acknowledge the difficulty in meeting this assumption, point estimates are still provided and used without considering alternative…
Descriptors: Generalization, Inferences, Probability, Educational Research
Download full textTipton, Elizabeth; Yeager, David; Iachan, Ronaldo – Society for Research on Educational Effectiveness, 2016
Questions regarding the generalizability of results from educational experiments have been at the forefront of methods development over the past five years. This work has focused on methods for estimating the effect of an intervention in a well-defined inference population (e.g., Tipton, 2013; O'Muircheartaigh and Hedges, 2014); methods for…
Descriptors: Behavioral Sciences, Behavioral Science Research, Intervention, Educational Experiments
Westine, Carl D. – American Journal of Evaluation, 2016
Little is known empirically about intraclass correlations (ICCs) for multisite cluster randomized trial (MSCRT) designs, particularly in science education. In this study, ICCs suitable for science achievement studies using a three-level (students in schools in districts) MSCRT design that block on district are estimated and examined. Estimates of…
Descriptors: Efficiency, Evaluation Methods, Science Achievement, Correlation
Wellington, Alison; Chiang, Hanley; Hallgren, Kristin; Speroni, Cecilia; Herrmann, Mariesa; Burkander, Paul – National Center for Education Evaluation and Regional Assistance, 2016
The Teacher Incentive Fund (TIF) provides grants to support performance-based compensation systems for teachers and principals in high-need schools. The goal of the grants is to increase the number of high-performing teachers in high-need schools by rewarding educators for improving students' achievement. The report on which this snapshot is based…
Descriptors: Teacher Effectiveness, Academic Achievement, Teacher Influence, Merit Pay
Wellington, Alison; Chiang, Hanley; Hallgren, Kristin; Speroni, Cecilia; Herrmann, Mariesa; Burkander, Paul – National Center for Education Evaluation and Regional Assistance, 2016
Research indicates that effective teachers are critical to raising student achievement. However, there is little evidence about the best ways to improve teacher effectiveness, or how schools that serve the students most in need can attract and retain effective teachers. Traditional salary schedules, which pay teachers based on their years of…
Descriptors: Teacher Effectiveness, Academic Achievement, Teacher Influence, Merit Pay
Wellington, Alison; Chiang, Hanley; Hallgren, Kristin; Speroni, Cecilia; Herrmann, Mariesa; Burkander, Paul – National Center for Education Evaluation and Regional Assistance, 2016
Research indicates that effective teachers are critical to raising student achievement. However, there is little evidence about the best ways to improve teacher effectiveness, or how schools that serve the students most in need can attract and retain effective teachers. Traditional salary schedules, which pay teachers based on their years of…
Descriptors: Teacher Effectiveness, Academic Achievement, Teacher Influence, Merit Pay
