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Placebo, control groups and the challenge of inferring causality Development team: Dr. Itay Asher and Dr. Iris Tabak, Ben Gurion University of the Negev; Israel; Samira Nasser, Beit Berl College, Israel; Lina Ganaim, Al-
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Document Date: 2009-09-30 15:59:06
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Placebo, control groups and the challenge of inferring causality Development team: Dr. Itay Asher and Dr. Iris Tabak, Ben Gurion University of the Negev; Israel; Samira Nasser, Beit Berl College, Israel; Lina Ganaim, Al-