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Randomised Trials in Education in the USA
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Hedges, Larry V.; Schauer, Jacob – Grantee Submission, 2018
Background and purpose: Studies of education and learning that were described as experiments have been carried out in the USA by educational psychologists since about 1900. In this paper, we discuss the history of randomised trials in education in the USA in terms of five historical periods. In each period, the use of randomised trials was…
Descriptors: Randomized Controlled Trials, Educational Research, Educational Psychology, Educational History