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S Chacón Moscoso, W Shadish - … de las Ciencias del Comportamiento, 3 …, 2001 - idus.us.es

Observational studies and quasi experimental designs: similarities, differences and generalizations.

quasi-experiments

Chacón, Shadish

GSID: Z_iclZ0OYnQJ

Excerpt

… A classic analysis of the difference between quasi-experiments and observational studies might refer only to the degree of control of the … Of course, the distinction among low, medium, and high intervention studies is merely one of convenience, as some quasi-experiments can …

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