Design and Validation of Islamic Leadership Teachers Instrument in Learning Process Based on Classical Test Theory and Item Response Theory

This study aims to design and validate the Islamic Leadership instruments of teachers in the learning process by using the approach of classical test theory and item response theory. Islamic Leadership teacher is the behavior of teachers in leading to give direction, motivation, influence learners and create confidence to reach the goal in process of learning in class based on character of Prophet that is siddiq, amanah, tabligh and fathonah. This research is a Research and Development (R & D) research with quantitative approach. Data obtained from 304 elementary, junior and senior high school teachers in Bandung regency. Based on quantitative data analysis using classical test theory approach shows instrument validity (0,91) and reliability of instrument (α = 0.95) which is known from Cronbach Alpha value, meanwhile using item response theory approach indicates 52 valid items and eight pair items invalid statements and known instrument reliability (α = 0.93), respondent reliability (α = 0.83), and item reliability (α = 0.96). In general, this instrument may account for 24.6% of respondents’ variance. Based on these findings, Islamic Leadership teachers in the learning process can be measured using this instrument.