TY  - GEN
AU  - de Ayala, R. J.
TI  - (The) theory and practice of item response theory
SN  - 9781593858698
AV  - H 61.25
PY  - 2009///
PB  - Guilford Press
KW  - Item response theory
KW  - Social sciences - Mathematical models
KW  - Social sciences - Statistical methods
KW  - Psychometrics
N1  - 25616
ER  -