01140cam a2200277 a 450000500170000000800410001701000170005802000150007504000230009005000190011308200250013210000330015724501420019026000480033230000290038044000510040950400300046059000110049065000400050165000300054165000550057185600890062694200120071599900150072795201200074220181209223034.0840109s1984    caua     b    000 0 eng d  a   84001969   a0803920377  aDLCcDLCdBD-DhBPA00aH61b.T73 198400a300.72219bTRR 19841 aTrochim, William M. K.9786910aResearch design for program evaluation :bthe regression-discontinuity approach /cWilliam M.K. Trochim ; foreword by Donald T. Campbell.  aBeverly Hills :bSage Publications,cc1984.  a272 p. :bill. ;c23 cm. 0aContemporary evaluation research ;vv. 697870  aBibliography: p. 267-271.  aMaisha 0aSocial sciencesxMethodology.97871 0aRegression analysis.9234 0aEvaluation research (Social action programs)97872423Publisher descriptionuhttp://www.loc.gov/catdir/enhancements/fy0654/84001969-d.html  2ddccBK  c3060d3060  102ddc4070aBPATCbBPATCcGENd2018-02-16l0o300.72 TRR 1984p40563r2018-02-16 00:00:00w2018-02-16yBKzMaisha