00433nam a2200169 a 450000500170000002000150001708200160003210000170004811000160006524500290008126000310011030000210014149000370016263000240019963000190022370000210024220251203091611.0  a0043120423  a300.72bDAL  aDale, Angela  aArber, Sara  aDoing secondary analysis  aLoNew Delhion: Unwinc1988  axiv, 242p.c22cm  aContemporary social researchd17  aStatistical methods  aSocial science  aProcter, Michael