TY  - GEN
AU  - De Ayala,R.J.
TI  - The theory and practice of item response theory: R.J. de Ayala
T2  - Methodology in the social sciences
SN  - 1593858698 (hardcover)
AV  - H61.25 .D4 2009
PY  - 2009///
CY  - New York
PB  - Guilford Press
KW  - Social sciences
KW  - Mathematical models
KW  - Item response theory
KW  - Statistical methods
KW  - Psychometrics
N1  - Includes bibliographical references (p. 419-438) and indexes
ER  -