00477pab a2200145 454500008004000000100002400040245012500064260000900189300001400198362001100212650001300223700002200236700002700258773004600285180718b2006   xxu||||| |||| 00| 0 eng d  aGreenberg, David H.  aDo experimental and nonexperimental evaluations give different answers about the effectiveness of government-funded trai  c2006  ap.523-52.  aSummer  aTraining  aRobins, Philip K.  aMichalopoulos, Charles  aJournal of Policy Analysis and Management