F4DF161C-D607-4E66-B9FC-FB9DDB7BE9E0Programme Evaluation for Policy AnalysisResearch GrantES/I02574X/1924BE15C-91F2-4AAD-941A-3F338324B6AEESRCINCOME_ACTUAL15393444F1B4A00-FB40-4337-8865-08A3DC5961D4Sample size calculations for impact evaluationscbef32a06214295e747c10b495310908Vera-Hernandez, M.2014-01-01http://www.ifs.org.uk/publications/7328Conference/Paper/Proceeding/Abstract5593e1574e3932.79931674