TY  - BOOK
AU  - Skaggs, Gary 
TI  - Test Development and Validation
SN  - 9781544377148 (pbk.)
U1  - 300.72 SKA/T 
PY  - 2023///
CY  - US
PB  - Sage, 
KW  - social science
KW  - statistical methodologies
ER  -