Development of assessment instruments to measure problem solving skills in senior high school

Abstract

developed to measure students' problem solving skills, (2) describe the achievement of students' problem solving skills in SMA Negeri 6 Yogyakarta. The research design used is modification development research of Wilson models and Oriondo and Antonio models. The instrument consisted of 16 essay item that had been validated by measurement experts and practitioners. The sample consisted of 295 students in three high schools in Yogyakarta with high, low, and medium grades. The polytomus data were analyzed according to the partial credit model (PCM) 1 PL by Quest and Parscale application. Research result show that: (1) the developed test instrument in major of Work and Energy is qualified to measure students' problem solving skills because it is proven to be valid and reliable, (2) the problem solving skills of students in SMA Negeri 6 Yogyakarta in major Work and Energy classified in high category with ranges of values θ between -1.27 to 2.81 and mean 0.82.