The Validity and Reliability Constructs of The Principal Transformational Leadership, Teacher Commitment and Classroom Assessment Teachers of Terengganu National Schools

Leadership is a subject that attracts attention because it is often associated with influence, power and wealth. in this study, the researcher only chose one leadership style, namely transformational leadership. The concept of transformational leadership was introduced by James Mac Gregor Burns in 1979 in his study related to political leadership. According to Burns, transformational leadership is a process in which leaders and followers help each other to increase motivation and morale to a higher level the researcher only chose one leadership style, namely Transformational Leadership. The concept of transformational leadership was introduced by James Mac Gregor Burns in 1979 in his study related to political leadership. This study was conducted to develop and validate an instrument based on the EFA process for measuring the Principal Transformational Leadership (based on Cultivating Ideal Influence, Building Intellectual Stimulation, Inspiring Motivation, Individual Consideration), Teacher Commitment and Classroom Assessment teachers of Terengganu National Schools. This study uses quantitative research methods based on Structural Equation Modeling (SEM) to analyze various relationships between variables in the study model. Before the data is analyzed using SEM, Exploratory Factor Analysis (EFA) is carried out to identify the appropriateness of the items used in the research instrument. This study describes in detail the procedure of conducting EFA analysis for each construct. The findings of this study show validity values based on Kaiser-Meyer-Olkin (KMO), Total Variance Explained (TVE), Factor Loading (FL) and reliability values based on Cronbach's Alpha (CA), have met all the required values.