The Development of Authentic Assessment Instrument to Measure Science Process Skill and Achievement based on Students' Performance
This study aims to develop the authentic assessment instrument based on students' performance. It can build the science process skill and measure the cognitive aspects of student’s achievement. The procedure of research & development method is adapted from Borg and Gall’s model, consisting collecting information, planning, early product development, preliminary field testing, first product revision, field testing, second product revision, and dissemination. The initial field testing was executed to 15 participants, and the field testing to 31 participants in MAN Yogyakarta III use the One – Shot Case Study model. The results of study are as follows: (1) instruments according to the experts' judgment, physics teachers and peers, in general was valid, (2) instruments at the preliminary field test and main field test was reliable, and (3) instruments could build skills and measure skills cognitive achievement’s aspect of the science process of the senior high-school students for heat and temperature topic.
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