Reliability and Validity of The Fuzzy Delphi Instrument of Islamic Cognitive Domains Running Head: Reliability and Validity of Islamic Cognitive Domains

This study aims to evaluate the content validity and reliability of the fuzzy Delphi instrument of Islamic Cognitive Domains. This study is based on the Development Design Research methods. The content validity of the instrument was analyzed using the Content Validity Index (CVI) by four experts. For the reliability, there were 30 respondents. The results of the analysis show that the overall value of content validity using CVI is 0.8. The value of Cronbach Alpha is 0.97. It means that the instrument has high validity and reliability.