00338    a2200121   450000500170000002000180001708200150003510000170005024500350006725000120010226000390011430000630015320250625132021.0  a0-07-252342-5  a150.72 COZ  aCOZBY, C . P  aMethods in Behavioral Research  a8th Ed.  aBostonbMcGraw- Hill Irwin c2001.  axi,396p.: ill.; figuresbAppendix, Index, Referencesc23cm