As an attempt to achieve successful learning in classroom, teachers are required to always learn and increase their potential, especially in using teaching aids. However, lack of teaching aids facilities and lack of development of evaluation instrument become main issues faced by teachers. Thus, it is necessary to develop training evaluation instrument for teachers. This research utilized a theoretical development model in instrument standardization activities. There were 30 respondents collected through an online questionnaire which were then analyzed using SPSS version 23.00 for Windows. Results showed that: 1) results of validity and reliability test showed that validity of training evaluation instrument for teachers met valid criteria. Construct validity was tested through factor analysis including material content, material presentation, discussion/question and answer, and group work practices; and 2) reliability of training evaluation instrument for teachers prepared and developed in this research met quite high category as indicated by alpha reliability coefficient of 0.935.
Key words: Instrument Development, Training Evaluation, Elementary School and Early Childhood Education Teachers, Validity, Reliability
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