000			nam a22 7a 4500
999			_c87163 _d87163
008			210702b xxu||||| |||| 00| 0 eng d
020			_a9780935302349
020			_a9789353023447
082			_a370.784 _bSch
100			_aSchneider, Barbara...(et al)
245			_aEstimating Causal Effects _b:Using Experimental and Observational Designs
260			_aWDC _bAERA _c2005
300			_aiv;142p. _bpb
650			_aEducation Research
650			_aCausation
650			_aResearch Methodology
650			_aEducational Statistics
650			_aExperimental Design
650			_aQualitative Research
650			_aAmerican Educational Research Association
942			_cBK