TY  - BOOK
AU  - DeVellis, Robert F.
TI  - Scale development : theory and applications
T2  - Applied social research methods series; 26
SN  - 9781412960449
U1  - 300.72 
PY  - 2012///
CY  - California: 
PB  - Sage Publications Inc
KW  - factor analysis
KW  - item response theory
KW  - latent variable
KW  - measurement in broader research context
KW  - reliability
KW  - scale development
KW  - scaling
KW  - social sciences
KW  - validity
ER  -