000 00422nam a22001457a 4500
020 _a0803929498
082 _a001.4
100 _aKRAEMER, Helena.Chmura
245 _aHow many Subjects?
_bStatistical power anaysis in research
_cHelena Chmura Kraemer
260 _aNewbury Park
_bSage
_cc1987
300 _a120p.:
_btable
500 _aIncludes bibliographical references and index
700 _aSue Thiemann
942 _cBK01
999 _c5877
_d5877