Ostini, Remo
Polytomous item response theory models - 1st ed. - Thousand Oaks Sage Publications 2006 - vii, 107 p. : iil. ; 22 cm.
076193068X (pbk.)
Social sciences - Mathematical models; Item response theory; Psychometrics; Social sciences - Statistical methods , B1/5 The Aryas Book Centre
Polytomous item response theory models - 1st ed. - Thousand Oaks Sage Publications 2006 - vii, 107 p. : iil. ; 22 cm.
076193068X (pbk.)
Social sciences - Mathematical models; Item response theory; Psychometrics; Social sciences - Statistical methods , B1/5 The Aryas Book Centre