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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Date: 2009-09-30 15:59:06		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- Add to Reading List Source URL: faculty.washington.edu Download Document from Source Website File Size: 19,92 KB Share Document on Facebook