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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
2.40 Explain why some studies include both a control group and a placebo treatment. What additional compar- isons are possible if both a control group and a placebo group are included?
2.41 Explain why blinding is a reasonable strategy in many experiments.
2.42 Give an example of an experiment for each of the following:
a.   Single-blind experiment with the subjects blinded
b.   Single-blind experiment with the individuals measuring the response blinded
c.   Double-blind experiment
d.   An experiment that is not possible to blind
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