00363nam a2200121 a 450000500170000002000150001708200160003210000230004824500750007125000120014626000600015830000230021820251203110203.0  a0801632986  a613.71bsaf  aSafrit, Margaret J  aIntroduction to measurement in physical education and exercise science  a2nd ed.  aSt. LouisbTimes Mirror/Mosby college publishiingc1990  axvii,566p.c23 cm.