Product Search Search Effective Health Care website Submit search Search Tip: Use double quotes around phrases to rank exact matches higher in the result list. 4 results Change Score or Followup Score? An Empirical Evaluation of the Impact of Choice of Mean Difference Estimates White Paper April 20, 2015 Impact of Contacting Study Authors on Systematic Review Conclusions: Diagnostic Tests for Hepatic Fibrosis White Paper April 2, 2014 Reporting the Findings of Updated Systematic Reviews of Comparative Effectiveness: How Do Users Want To View New Information? White Paper May 16, 2013 Developmental Disabilities Issues Exploration Forum: Cerebral Palsy White Paper November 28, 2011