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Journal : Indonesian Review of Physics (IRiP)

The Analysis of Students’ Critical Thinking and Scientific Literacy Skills Fatma Zuhra; Nurhayati Nurhayati; Fitria Arifiyanti
Indonesian Review of Physics (IRiP) Vol. 4 No. 1 (2021)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v4i1.3980

Abstract

This research aimed to determine critical thinking and scientific literacy skills for the tenth-grade students of Bireuen Public High School 2 (SMAN 2 Bireuen). This research used a quantitative approach with a descriptive research design. There were 27 tenth-grade students of the second science class who selected samples through the purposive sampling technique. Descriptive analysis is a research type that does not provide the treatment, manipulation, or modification on the independent variables, but it describes an actual condition. The instrument used in this research was a test adapted from PISA questions. The results showed that the critical thinking and scientific literacy skills of tenth-grade students of SMAN 2 Bireuen were in the fair category. Therefore, it is necessary to apply learning approaches/models that can train students’ scientific literacy skills to get used to carrying out scientific activities, solving scientific problems, providing explanations for a phenomenon scientifically, and using scientific evidence to explain a fact.
Perception Scale of Online Learning in the Indonesian Context During the Covid-19 Pandemic: Psychometric Properties Based on the Rasch Model Eko Nursulistyo; Toni Kus Indratno; Ety Dwiastuti; Fitria Arifiyanti; Ariati Dina Puspitasari; Nurul Syafiqah Yap binti Abdullah; Moh. Irma Sukarelawan
Indonesian Review of Physics Vol. 5 No. 2 (2022)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v5i2.6544

Abstract

This study aims to evaluate the psychometric properties of students' perception scales about online learning during the Covid-19 pandemic in Indonesian culture. This study involved 176 students (Male = 54% and Female = 46%) at the junior and senior high school levels from public schools in Yogyakarta, Indonesia. The age of the respondents ranged from 11 to 17 years, with a mean of 13.5 years and a standard deviation of 1.4 years. The online learning perception scale adopts 16 items developed by Bhagat and colleagues. The psychometric properties of the scale were evaluated based on the reliability of the person and item, the suitability of the Rasch model, the functionality of using a 5-point rating scale, and its unidimensionality. The analysis results show that the scale has good consistency and performance in the Indonesian context. Sixteen items are a good fit for the model and are unidimensional. The 4-point Likert rating scale is more effective than the original 5-point rating scale. So, 16 items in POSTOL have adequate psychometric properties to be used on students in Indonesia.