TY  - BOOK
AU  - Dick,Walter
AU  - Hagerty,Nancy
TI  - Topics in measurement: reliability and validity
T2  - Moore Programmed education
SN  - 0070167834
AV  - LB1131 .D497
U1  - 371.26/01/3 
PY  - 1971///]
CY  - New York
PB  - McGraw-Hill
KW  - Educational tests and measurements
N1  - Bibliography: p. 181-184
ER  -