TY - GEN AU - Norris,John Michael TI - Validity evaluation in language assessment SN - 9783631549469 (pbk.) AV - P53.63 .N67 U1 - 418.0071 PY - 2008/// CY - Frankfurt am Main, New York PB - Peter Lang KW - Language and languages KW - Ability testing KW - Study and teaching KW - Evaluation N1 - Includes references ER -