Development of Performance Assessment Instrument in Thematic Learning of 4th Grader Elementary School

This study aims to develop performance assesment instrument in thematic learning of 4th grader elementary school students. The type of research used is research and development that refers to Borg & Gall’s theory. The population of this study is all fourth grade students from the Elementary School of Negeri Agung District, Way Kanan Regency. Samples were taken by using Random Sampling technique with total of 34 students of Public Elementary School 01 of Kalipapan. Data were collected through questionnaires and test questions. The results showed that the developed performance assesment instrument was theoretically valid and empirically reliable. This was proved from the result of questionnaires by experts and teachers who stated that the developed product was theoretically valid and the result of reliability test obtained a score of 0.67 which proved that the performance assessment instrument was empirically valid.Keywords: Performance assessment, Thematic Learning Instrument