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DT Campbell, JC Stanley - 2015 - books.google.com

Experimental and quasi-experimental designs for research.

quasi-experimental designs

Campbell

GSID: 4dpyrhkfLYUJ

Excerpt

… I to be worth doing where nothing better can be done (see the discussion of quasi-experimental designs below), it is introduced here as a “… quasi-experimental designs, we wish t explore Some other extensions from this simple core, extensions appropriate to all of the designs to …

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