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Fives, Allyn; Canavan, John; Dolan, Pat – European Early Childhood Education Research Journal, 2017
There is significant controversy over what counts as evidence in the evaluation of social interventions. It is increasingly common to use methodological criteria to rank evidence types in a hierarchy, with Randomised Controlled Trials (RCTs) at or near the highest level. Because of numerous challenges to a hierarchical approach, this article…
Descriptors: Evaluation Methods, Evaluation Research, Randomized Controlled Trials, Ethics