Life in the twenty-first century requires education to integrate knowledge, attitudes, skills, and mastery of information and communication technology (ICT). An example of the skills needed in the twenty-first century is computational thinking. This study aims to develop computational thinking-skill tasks on numbers and arithmetic based on the…

Science, technology, engineering, and mathematics (STEM) problem-solving is necessary to be infused into the classroom. Nevertheless, the criticism of underrepresented mathematics in STEM problem-solving assessment is an issue. In this study, we develop and investigate the psychometric evidence of an integrated STEM-based mathematical…

The purpose of the study was to develop an instrument for the problem solving ability of students in Hybrid learning by Ethno-STEM via Four-D Model. In the study, the first three stages of the Four-D Model namely; defining, designing, and developing were applied. As the participants, 143 students of elementary education in the 4th semester took…

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…

This cross-sectional study aimed to validate students' metacognition awareness inventory in Heat and Temperature material. A total of 167 public senior high school students in Yogyakarta, Indonesia were selected through convenience sampling technique. The heat and temperature metacognition awareness inventory (HeTMAI) inventory consists of six…

The accuracy of learning results relies on the evaluation and assessment. The learning goals, including problem solving ability must be aligned with the valid standardized measurement tools. The study on exploring the nature of problem-solving, framework, and assessment in the Indonesian context will make contributions to problem solving…

This study aims to describe: (1) The validity and reliability of the PISA model mathematical problems on the change and relationship content developed; (2) The practicality of PISA mathematical problem models on the developed change and relationship content; (3) Students' mathematical problem-solving abilities on mathematical problems in the PISA…

The purpose of this research is to develop test questions of problem solving ability on work-energy material for high school students class X. This type of research is research and development. The model used in this study is ADDIE with the stages of analyzing, planning, developing, implementing, and evaluating, but this study only up to the…

The ability to think critically and creatively is essential for students to help them thrive in the 21st century. Creative and critical thinking can be measured through problem solving because the assessment contains tasks that require students to find problems, analyze and evaluate problems, and work out the solutions. Therefore, this study was…

This research that aimed to (1) produce instruments that were feasible to measure the ability to solve physics problems and nationalism, and (2) determine the quality of instruments that have been developed. This research was conducted through four stages, namely the design, preparation of tests, test trials, and preparation of valid instruments.…

The development of knowledge assessment instrument based on problem solving in the electrochemistry. This research aimed to find out the characteristics, teacher responses, and student responses to the problem-based knowledge assessment instrument on the electrochemistry material. The research method used is research and development which consists…

This study aims at developing an instrument to measure metacognition in solving physics problems among college students. This study used Research and Development (R & D) model with the non-test instrument development model. The instrument was in the form of a questionnaire that consisted of four choices with the scale was ranging from 1 to 4.…

This research aims to produce feasible and valid assessment instrument of Higher Order Thinking Skill (HOTS) to measure students' Higher Order Thinking Skill in Physics learning. The type of this research was research and development, adapted from development model from Brog and Gall. The researchers modified Borg and Gall's development model as…

The aim of this research is knowing whether research instrument is feasible or no to get data of research. The instrument of this research is logical mathematics quotient test with 25 problems in multiple choice and mathematics problem solving test with 4 questions in essay. Testing the appropriateness of instrument of logical mathematics…

The aim of the study was describing the development and validation of students' perception on learning by questioning (LBQ) scale in physics. Research and Development (R & D) design was utilized in the research method. The number of senior high school students involved in the research were 224 students, composed of 95 boys (42.41%) and 129…