Lilit Rusyati, Harry Firman
This research was motivated by the importance of multiple-choice questions that indicate the elements and sub-elements of critical thinking and implementation of computer-based test. The method used in this research was descriptive research for profiling the validation of science virtual test to measure students' critical thinking in junior high school. The participant is junior high school students of 8th grade (14 years old) while science teacher and expert as the validators. The instrument that used as a tool to capture the necessary data are sheet of an expert judgment, sheet of legibility test, and science virtual test package in multiple choice form with four possible answers. There are four steps to validate science virtual test to measure students' critical thinking on the theme of "Living Things and Environmental Sustainability" in 7th grade Junior High School. These steps are analysis of core competence and basic competence based on curriculum 2013, expert judgment, legibility test and trial test (limited and large trial test). The test item criterion based on trial test are accepted, accepted but need revision, and rejected. The reliability of the test is α = 0.747 that categorized as 'high'. It means the test instruments used is reliable and high consistency. The validity of Rxy = 0.63 means that the validity of the instrument was categorized as 'high' according to interpretation value of Rxy (correlation). © 2017 Author(s).
International Program on Science Education (IPSE), Universitas Pendidikan Indonesia, Jl. Dr. SetiabudiNo 229, Bandung, 40154, Indonesia; Chemistry EducationDepartment, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi No 229, Bandung, 40154, Indonesia
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