K.N. Azizah, M. Ibrahim, W. Widodo
Science process skills (SPS) are very important skills for students. However, the fact that SPS is not being main concern in the primary school learning is undeniable. This research aimed to develop a valid, practical, and effective assessment instrument to measure student's SPS. Assessment instruments comprise of worksheet and test. This development research used one group pre-test post-test design. Data were obtained with validation, observation, and test method to investigate validity, practicality, and the effectivenss of the instruments. Results showed that the validity of assessment instruments is very valid, the reliability is categorized as reliable, student SPS activities have a high percentage, and there is significant improvement on student's SPS score. It can be concluded that assessment instruments of SPS are valid, practical, and effective to be used to measure student's SPS result. © Published under licence by IOP Publishing Ltd.
Primary Education, Pascasarjana Universitas Negeri Surabaya, Indonesia; Biology Education, Universitas Negeri Surabaya, Indonesia; Science Education, Universitas Negeri Surabaya, Indonesia
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