أثر استخدام البديل "لا شيء مما سبق" على بعض الخصائص السيكومترية لأسئلة الاختيار من متعدد
The purpose of the research is to investigate using ""none of the above"" (NOTA) option on psychometricproperties of multiple choice tests (MC): Item difficulty, item discrimination and test reliabilty. Using two test formssymetrical in content, consisted of (25) MC items with four options, the first form items had real options, the secondform was built by replacing the key option in (13) items, and one of the distractores in the (12) items left, by NOTAoption. These formes were applied on (240) indiveduals. The research results indicate that the existence of theNOTA option make the test items more difficult, while it presence does not affect item discrimination nor testreliability. (Published abstract)