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…

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…

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…

Research on growth mindset shows a positive trend in the recent years. The importance of the growth mindset for students is growing to be a center in education, but the valid scale to assess the variable in Indonesia is still limited. The study aims to measure the validity and reliability of the adaptation mindset scale in the Indonesian context.…

The transition of traditional classroom teaching to online teaching platforms in English as a foreign or second language context has caused the shift of teachers' motivational factors. The present study aimed to develop a new motivational teaching instrument and provide indication for the scale's validity and reliability of English for Specific…

Many researchers have separately developed instruments to measure environmental characteristics such as attitudes, values, and knowledge. However, there is no instrument used to measure all these aspects in one comprehensive instrument. This study is meant to develop and validate a green character instrument which reveals student behavior and…

The purpose of this research was to develop a curriculum design evaluation instrument in strengthening Al-Irsyad ideology. The research activity began with a literature review on the curriculum then continues with the development of the instrument. The results of the development of the instrument items were validated by 11 experts and tested on a…

This study aims to design mathematical literacy instruments that have evidence of content and construct validity and are reliable for use as an assessment for learning. The research involved eight experts as instrument validators and 273 eighth-grade students of junior high school in Yogyakarta Province. The results showed that the ten…

This study aimed to find a valid and reliable self-assessment procedure and instrument to measure the spiritual and social attitude domain of Belief and Morality (Aqidah Akhlak) subject in Madrasah Tsanawiyah by implementing Borg & Gall's research and development model. The instruments' content validity was analyzed using the Aiken formula,…

Assessment in education involves collecting and processing information related to student achievement during learning. Assessment activities help educators to find out where learners are having difficulties which for the sake of completeness requires an integrated instrument. The assessment carried out should conform to 21st-century learning…

This study focused on developing physics test instruments for senior high school students on the topics of temperature and heat. The study aimed to determine (i) the quality of the test instrument content, (ii) the feasibility of the test instrument, and (iii) students' graphic representation abilities on "Temperature and Heat" topics.…