Abedalhameed Alqudah

[email protected]

PHD. student, Yarmouk University, currently: Ministry of Education and Higher Education, Qatar

The effect of the length of a questionnaire on the accuracy estimations of the ability and the psychometric properties of the item and scale in the light of item response theory

First available online:

Authors:

An-Najah National University
Nablus, Palestine

P.O. Box: 7, 707
Fax: (970)(9)2345982
Tel.: (970)(9)2345560; (970)(9)2345113/5/6/7-Ext. 2628
E-mail: [email protected]
EIC: Prof. Ismail Warad