00416nam a22001217a 4500020002400000082001600024100002600040245004300066260004400109300003400153500006100187650004600248  a9781292469812 (pbk)  a001.42bCHR  aChristensen, Larry B.  aResearch methods, design, and analysis  aHarlowbPearson Education Limitedc2024  a381 p.b: ill.,Col.c; 28 cm.  aIncludes glossary, bibliographical references and index.  aResearch methodologyvExperimental design