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 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…

Introduction: Analysis of the relationship between test scores and other variables provides an important source of evidence for validity. As a new instrument, evidence of validity of Pictorial Vocational Interest Inventory (PVII) is needed to support its psychometric properties. The purpose of this study is to obtain evidence of the validity of…

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.…

This study examines the self-perceptions of Indonesian primary education teachers as transformational leaders. A quantitative survey was conducted with 400 randomly selected teachers from Lampung Province, Indonesia to assess their transformational leadership (TL) practices using the Transformational Teaching Questionnaire (TTQ) adapted and…

Digital literacy is one of the essential teacher competencies in the twenty-first century. It is crucial for performing high-quality learning activities supporting science subjects, especially chemistry whereby there are many abstract concepts and limited visualization without digital tools. This study aims to validate the adapted digital literacy…

Identifying a student's mental model is important for understanding scientific concepts. Dispersion and polarization are the sub concept of physics that studied in high school on light waves concept. This study aimed to develop dispersion and polarization conceptual inventory (DIPOLCI) to identify students' model mental using Rasch analysis. The…

This research aims to develop the product of the life skill education program (LSEP) which is accurate, credible, and effective. This research used the Plomp model. The model covers the input, process, output, outcome and consists of instrument, scoring guidance, and good or bad criteria. The instruments used in the model are the questionnaire,…

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…

The study's objectives are to i) develop a test kit to determine the ability of multiple intelligences (MI) to play basketball in high school and ii) measure a student's MI test ability in playing basketball. The method used is the development of instruments with analysis, design, development, implementation, and evaluation (ADDIE). The study…

The purpose of this development research is to create a self-efficacy instrument to assist students learning mathematics that is valid, practical, and reliable. A self-efficacy questionnaire is the format of the instrument that was created. The main driving force behind this research is the scarcity of empirically validated self-efficacy surveys…

The rise and growing prevalence of juvenile delinquency is a matter of concern for many parties. This study aims to establish a research instrument in the form of a questionnaire that can be deployed to assess the learning environment perceived by high school students. This research endeavor constitutes a developmental study, wherein the outcomes…

The Communication and Symbolic Behavior Scales Developmental Profile (CSBS DP) is a valid and reliable screening tool for detecting language delay in children. However, it has not been translated into the Indonesian language. This study aimed to determine the validity and internal consistency of the Indonesian-translated CSBS DP as a screening…

Parenting style was a set of parental attitude and behavior communicated by parents to children, forming an emotional climate condition used by parents to raise children. The study on parenting style had been conducted for a long time, but measurement of parenting style in Indonesia was still experiencing problem due to lack of sufficient and…