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Direct linkHedberg, E. C.; Hedges, Larry V. – Grantee Submission, 2014
Randomized experiments are often considered the strongest designs to study the impact of educational interventions. Perhaps the most prevalent class of designs used in large scale education experiments is the cluster randomized design in which entire schools are assigned to treatments. In cluster randomized trials (CRTs) that assign schools to…
Descriptors: Academic Achievement, Correlation, School Districts, Institutional Characteristics
Battey, Daniel; Llamas-Flores, Silvia; Burke, Meg; Guerra, Paula; Kang, Hyun Jung; Kim, Seong Hee – Teachers College Record, 2013
Background/Context: A number of recent policies have specifically attacked immigrants and English Language Learners (ELLs), including Georgia's HB 87 (2011), Arizona's SB 1070 (2010), and Alabama's HB 56 (2011), among others. The policy focus of this study is Arizona's HB 2064 (2006), which added additional requirements that mandate tracking…
Descriptors: English Language Learners, Educational Policy, Mathematics Education, Faculty Development
