The volunteer function inventory (VFI) is an assessment tool to measure individual volunteer motivation. VFI measures individual motivation to volunteer by examining the functional motives of each volunteer. This research aimed to adapt the VFI to the Indonesian language. VFI consists of 30 items divided into five dimensions. This study utilized a…

Mathematical abstraction skills are fundamental for advanced reasoning and problem-solving, yet assessing these skills in senior high school students poses challenges due to limited validated instruments. This study aims to develop and validate a test instrument for measuring mathematical abstraction skills in Indonesian high school students. The…

The teaching of English as a foreign language in Indonesia has a long history, and it is always important to ask whether the assessment of the students' language skills has been valid and reliable. A screening of many articles in several prominent databases reveal that a number of evaluation studies have been done by Indonesian scholars in the…

Researchers design diagnostic assessments to measure students' knowledge structures and processing skills to provide information about their cognitive attribute. The purpose of this study is to determine the instrument's validity and score reliability, as well as to investigate the use of classical test theory to identify item characteristics. The…

Evaluation of child-friendly school (CFS) policies is essential to determine the achievements of school efforts in reducing violence cases. This research aims to proving the reliability and validity of CFS policy evaluation instruments in elementary schools with different locations. This investigation uses the Context Input Process Product (CIPP)…

This study aims to test the validity and reliability of the IoJEPD model instrument to improve the competence of elementary school teachers. This study uses content validity. Quantitative methods and professional experts are the considerations used in this research. The stage of proving the validity of this instrument is carried out utilizing a…

The purpose of this study is to develop and validate based on construct validity and sampling validity on a self-confidence scale that can measure student self-confidence at the high school level by adapting self-confidence indicators and adjusting indicators according to the character of students in Indonesia with an age range of 16-18 years. A…

Learning behavior refers to students' preparedness to embrace various learning forms and techniques, encompassing skills, activities, creativity, and motivation. Positive learning behavior improves efficiency, discipline, and academic skills, while negative learning behavior results in a diminished grasp of the essence of learning and cultivates…

The complexity of the reproductive system necessitates instructional media to facilitate comprehension, as its processes unfold internally and are not readily observable. This study aims to assess the viability of booklet sub-materials on fertilization, gestation, and childbirth, derived from the inventory findings of medicinal plants for…

Assessing preservice' higher order thinking skills (HOTS) in science and mathematics is essential. Teachers' HOTS ability is closely related to their ability to create HOTS-type science and mathematics problems. Among various types of HOTS, one is Bloomian HOTS. To facilitate the preservice teacher to create problems in those subjects, an Android…

This study aims to (1) produce an instrument for measuring college student entrepreneurial skills; (2) describe the quality of the measurement instrument for college students' entrepreneurial skills; (3) describe the practicality of the measurement instrument for college students' entrepreneurial skills. The method used in this study is the…

This study aimed to develop a two-tier light concept test to identify student concept understanding of light. The development of the test was carried out through the content validity, construct validity, and reliability test stages using the Item Response Theory (IRT). The sample consisted of 81 students during the second semester at five…

This study aimed to adapt and validate the Parents Education Anxiety Questionnaire (PEAQ) for the Indonesian context. The sample included 222 parents of school-aged children, predominantly mothers (84.7%) and fathers (15.3%). The results indicated that the adapted questionnaire exhibited good reliability, with a Cronbach's alpha coefficient of…

The urgent need for teachers and students for innovative learning media that integrates local context (ethnoscience), and technology (STEM) to improve students' science process skills is the main basis for the development of this electronic module. This study aims to produce an interactive STEM ethnoscience science electronic module. The…

Background/purpose: The application of learning models is expected to significantly promote the enhancement of students' problem-solving abilities through the development of interactive learning models. This study aims to (1) determine whether the Development of the Component Display Theory (CDT) Model is categorized as valid, practical, and…