There are a lot of very interesting scientific concepts to learn in natural and social science. The initial concepts that the student possesses may contradict the actual concepts, which is what causes misconceptions. Misconceptions are identified using misconception detection test tools. In fact, the development of the use of diagnostic test…

Currently, we are facing the rapid development of information and communication technology (ICT) that characterizes the 21st century. Challenges, problems, life, and careers in the 21st century can be successfully faced if we master the 21st century skills. However, nowadays it is still very rare to develop a 21st century skill measurement model,…

The 21st century learning demanded students to master the 4C competencies: critical thinking and problem-solving, communication, collaboration, and creativity and innovation, with problem-solving skills significantly influencing students' cognitive learning outcomes. This study utilized the Flipped Classroom instructional model, assisted by the…

This study aims to describe the effect of the Nyerayo-based Science, Environment, Technology, and Society learning model on the scientific literacy skills of elementary school students in East Kluet District, South Aceh Regency. Learning Science, Environment, Technology, Society (SETS) has an important role in improving the scientific literacy and…

Students' digital technology literacy is required to develop technology-based teaching skills as prospective teachers. Therefore, students' digital technology literacy profiles must be known as a basis for learning policies. This research aims to describe the digital technology literacy profile of students as prospective elementary school…

This research is quantitative research to determine the effect of using the Discovery Learning model to assist animation video on the critical thinking skills of students grade XI on the digestive system. The research method used is Quasi Experiment with a Non-equivalent Control Group Design and used purposive sampling. The research instruments…

The purpose of this study was to find out the correlation between students' reading literacy ability and writing visual text ability for seventh grade students of SMP Negeri 1 Pematangsiantar. 133 respondents from 200 populations were randomly selected using simple random sampling technique from a Junior High School in Pematangsiantar City. This…

Detection of differential item functioning (DIF) is needed in the development of tests to obtain useful items. The Mantel-Haenszel method and standardization are tools for DIF detection based on classical theory assumptions. The study was conducted to highlight the sensitivity and accuracy between the Mantel-Haenszel method and the standardization…

The goal of this study was to determine how the 3 Tier Multiple Choice Diagnostic Test developed in primary students' scientific understanding. This research and development includes fundamental studies, model development, and model testing. 161 fourth-graders served as research subjects. Tests, surveys, and observations are all used to collect…

Students' environmental knowledge and sustainability awareness are important competencies to prepare them to face global environmental challenges. The study aimed to evaluate the gender difference and correlation between students' environmental knowledge, sustainability awareness, and sustainability practice frequency after Education for…

This study aimed at testing the effectiveness of an e-module based on ProblemBased Learning combined with Socratic Dialogue on the topic of environmental change in improving school students' critical thinking skills. This research was a quasi-experimental study and used a non-randomised control group, pre-test/posttest design. The sampling…

This research uses Rasch model analysis to identify the reliability and separation index of an integrated mathematics test instrument with a cultural architecture structure in measuring students' mathematical thinking abilities. The study involved 357 students from six eighth-grade public junior high schools in Bima. The selection of schools was…

This research is a developmental research aiming at developing a good mathematical test instrument using polytomous responses based on classical and modern theories. This research design uses the Plomp model, which consists of five stages, (1) preliminary investigation, (2) design, (3) realization/construction, (4) revision, and (5) implementation…

Purpose: Researchers discovered that when students were given the opportunity to change their answers, a majority changed their responses from incorrect to correct, and this change often increased the overall test results. What prompts students to modify their answers? This study aims to examine the modification of scientific reasoning test, with…

This research goal to develop a multiple-choice closed-ended test to assessing and evaluate students' digital literacy skills. The sample in this study were students at MTsN 1 Blitar City who were selected using a purposive sampling technique. The test was also validated by experts, namely 2 Doctors of Physics and Science from Yogyakarta State…