Exhibit 7. Strength of Evidence for Organizational Culture Guide to Patient and Family Engagement: Environmental Scan Report Type of DocumentNumberSystematic reviewsSystematic review of randomized controlled trials0Systematic review of descriptive studies (quantitative / qualitative)0Single evaluative studiesRandomized controlled trial0Nonrandomized controlled trial0Cohort / case-control study0Single site intervention (pre/post) / Case series study0Single descriptive studiesMixed methods study (qualitative / quantitative)4Quantitative study3Descriptive or qualitative study5Case study / description of implementation16Scholarly articles or reviews15Other (conference report)2Return to Document Current as of May 2012 Internet Citation: Exhibit 7. Strength of Evidence for Organizational Culture: Guide to Patient and Family Engagement: Environmental Scan Report. May 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/ptfamilyscan/ptfamilyex7.html