00558nam a22001697a 4500008004100000020001500041050002000056100002300076245010600099250001300205260004700218300001700265650003100282650003400313650001500347700002600362220715b        |||||||| |||| 00| 0 eng d  a1107694163  aH62b.M67 2015   aMorgan, Stephen L.  aCounterfactuals and Causal Inference:bMethods and Principles for Social Research cStephen L. Morgan  a2nd ed.   aNew YorkbCambridge University Pressc2015  axxiii, 499p.  aSocial sciencesvresearch   aSocial sciences vmethodology  aCausation   aWinship, Christopher