Information Retrieval - The Campbell Collaboration
Information Retrieval - The Campbell Collaboration
Information Retrieval - The Campbell Collaboration
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Example of Non-electronic Search• Cooper et al. (2002) on Modified School Calendars– Wrote to the 100 largest school districts in the U.S.– Contacted all authors of included studies– Reference tree for all included studiesC2 Training Materials – Oslo – June 2010 www.campbellcollaboration.org
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