Medya Minalisa, Festiyed, Ratnawulan
This research is motivated by low learning process and authentic assessment in class and low science process skill which is exercised on the students. The purpose of this research is to develop performance assessment of inquiry-based learning which is valid, practical and effective, and to analyze the influence of developed product toward student's science process skill improvement. This is a research and development study with a 4-D development model consists of 4 stages define, design, development and disseminate. The research subject is students of class XI Mathematics and Natural Science of Public Senior High School 1 Bayang Academic Year 2017/2018. The research instruments are validation instrument, practicality instrument, and effectiveness instrument. The research result shows that performance assessment of inquiry-based learning is valid and practical and effective to be employed in the learning process since performance assessment of Inquiry based learning has proven to be able to improve learning result and student's science process skill. © 2019 Published under licence by IOP Publishing Ltd.
Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang, Padang, 25131, Indonesia
