TY  - GEN
AU  - Howitt,Dennis
AU  - Cramer,Duncan
TI  - An introduction to statistics in psychology: a complete guide for students 
SN  - 0132398230
AV  - BF39HOW 1997 
PY  - 1997///
CY  - London
PB  - Prentice Hall.
KW  - Psychometrics
N1  - index; Includes bibliographical references (p. 475-476)
ER  -