TY  - GEN
AU  - Elosua,Paula
AU  - López-Jáuregui,Alicia
TI  - [Application of four procedures for detecting differential item functioning in polytomous items]
SN  - 0214-9915
PY  - 2007///0621
KW  - Data Interpretation, Statistical
KW  - Humans
KW  - Models, Psychological
KW  - Psychology
KW  - methods
N1  - Publication Type: English Abstract; Journal Article; Research Support, Non-U.S. Gov't
ER  -