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The aim of this research was to produce a web based instrument test to assess higher order thinking skills that are feasible and to describe the profile of students higher order thinking skills. This research using Research and Development (R&D) model from Borg and Gall with ADDIE (Analysis, Design, Development, Implementation, and Evaluation ). Data collection techniques in this study are the validation method that done by three lecturers from the physic department of State University of Surabaya and test method that done by 29 students of class X MIPA-2 SMA At-Ta’miriyyah using Quizizz. The data that has been collected were analyzed using quantitative decriptive analysis method. The percentage of average theoritical validity in the realms of construction, language, and media is is 97.03% or in the very feasible category. The result of product trials on 29 students analyzed the level of distinguishing power, reliability, and item validity. From the analysis obtained empirical validity as many as 10 questions declared empirically feasible. The appropriate test instrument is then used to describe the profile of students higher order thinking skills abilities. A viable test instrument is then used to describe the student's high-level thinking ability profile. 44.83% of students in very high categories, 13.79% with good categories, 0% with sufficient categories, and 41.38% with less categories. The ability to think high level in the competency of analyzing (C4) is lower at 67.49% compared to the evaluating competency (C5) of 80.46%.

This study aims to examine the concept of the nature of science (NOS) and attitudes towards teaching the NOS. The research used the View on Science Education (VOSE) instrument that was developed by Chen (valid and reliable) which online distributed to students of Physics Education Program from Surabaya State University and IKIP PGRI Pontianak, as well as students of Science Program from IAIN Ponorogo. The survey research method was conducted to determine the profile of students’ views on the NOS and science education. Respondents who filled out the research questionnaire were 102 students. Based on the survey results, the VOSE profile was obtained that the Science-Physics students had difficulty conceptualizing the general picture of VOSE because in some aspects of NOS it appeared that students experienced confusion.Science-Physics students have a positive attitude towards teaching NOS in terms of tentativeness, aspect of the nature of observation, as well as aspect of theory and law.However, Science-Physics students have negative attitudes towards teaching NOS in the aspect of the scientific method. Thus, the implication of this research requires that Science-Physics students learn and further research about the concept of NOS in order to have a correct understanding. DOI: 10.29408/kpj.v4i2.2873

Penelitian ini bertujuan untuk mendeskripsikan hasil identifikasi pemahaman konsep mahasiswa calon guru pada topik Teori Kinetik Gas. Jenis penelitian ini adalah deskriptif kualitatif dengan metode eksplorasi untuk memperoleh hasil identifikasi pemahaman konsep mahasiswa calon guru Fisika pada materi teori kinetik gas. Instrumen tes yang digunakan berbentuk three-tier, kombinasi jawaban dikategorikan menjadi paham konsep, kurang paham konsep, tidak paham konsep, menebak, dan miskonsepsi. Hasil jawaban mahasiswa calon guru Fisika dikategorikan berdasarkan kombinasi jawaban dan dideskripsikan hasil temuannya. Secara umum, banyak mahasiswa calon guru Fisika yang paham konsep teori kinetik gas, namun masih ada yang mengalami miskonsepsi. Miskonsepsi paling banyak dialami mahasiswa calon guru Fisika pada sub topik persamaan keadaan gas.