Class size and educational achievement : a methodological review
نویسنده
چکیده
The paper reviews research into class size effects from a methodological viewpoint, especially concentrating on the various strengths and weaknesses of randomised controlled trials and observational studies. It sets out the criteria for valid inferences from such studies and illustrates these using a reanalysis of the large data set from the Tennessee STAR study.
منابع مشابه
Current educational policy in the UK and elsewhere has emphasised initiatives to reduce class sizes
Current educational policy in the UK and elsewhere has emphasised initiatives to reduce class sizes. To a large extent these policies derive from recent research and research reviews that have demonstrated moderate learning gains from class size reductions. Any new research, therefore, that appears to contradict this deserves careful attention and evaluation. One such recent study is that of Ho...
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