This study provides evidence of the validity and reliability of a self-efficacy questionnaire in English as a Foreign Language (EFL) in a Vietnamese sample of university students. A total of 656 non-English-major students completed the questionnaire in an online format. SPSS version 24, SPSS AMOS, and SmartPLS 3 were employed to analyze the data.…

Although life satisfaction has been associated with maladjustment and adverse experiences among adolescents, few validated measures of life satisfaction have been evaluated for use with diverse populations. The Brief Multidimensional Students' Life Satisfaction Scale (BMSLSS) is a promising measure that has been validated in samples of White and…

This study developed and validated a scale of STEM project-based learning (PBL) experience, which comprises four dimensions: scientific inquiry, technological application, engineering design, and mathematical processing. The participants were 727 primary higher graders. Both within-network and between-network approaches were adopted to analyze the…

Our purpose in this study was to validate the Quality of Life for Children with Autism Spectrum Disorder scale. We first conducted an exploratory factor analysis to examine the factor structure. Results suggested that a three-factor model (Interpersonal Relationships, Self-Determination, and Emotional Well-Being) should be retained. Next, we…

This study aims to develop a scale that can be used to determine the levels of how families shape children's engagement with science. The study was conducted in the basic research design. The data collection was carried out in two stages. In the first stage, the data obtained from the scale applied to 324 people were subjected to exploratory…

The study objectives were (1) developing a valid and reliable Affective Self-assessment Instrument of Chemistry for High School Student and (2) discovering the chemistry affective domain ability trend of high school students based on gender. The current development study utilized 10 non-test instrument development procedures from Mardapi. The…

The Early Years Foundation Stage Profile (EYFSP) is a statutory, summative teacher assessment against nationally prescribed criteria. It is completed for all children in state education in England in summer of the reception year, when September-born children are nearly 6 and summer-born children are turning 5. This research uses quantitative…

In this research, we aimed to adapt the Xenophobia Scale developed by Olonisakin and Adebayo (2021) into Turkish. We conducted research on two separate study groups comprising 563 teacher candidates. Before starting the adaptation process of the scale, we obtained necessary permissions from the authors, who developed the original form. When…

People's day-to-day routines have changed drastically since the outbreak of the COVID-19 pandemic. One of the changes to take place has been the transition to online learning due to the changing conditions in learning environments. One of the factors that guide students through learning environments is their emotions. The few existing scales that…

Background: COVID-19 pandemic has been a global health threat since December 2019. It has brought the world to a standstill. The development of a vaccine has sparked great hope among all the individuals across the globe. Purpose: This study aimed to measure the perceived risks and benefits associated with the COVID-19 vaccines and to develop a…

This paper shows the design and validation of a questionnaire aimed at college students to assess their satisfaction level with mathematics study materials. Starting from the theoretical framework presented, we proposed three dimensions: overall quality of mathematics study materials, didactic adequacy and motivation capacity. To that effect, we…

Existing measures of communication challenges in autism are based on diagnostic criteria and research/clinical observations of autistic people, rather than what autistic people themselves identify as difficulties. In this study, the Conversation Questionnaire (CQ) was developed based on community engagement with autistic people to identify what…

This study aimed to develop an instrument to assess science teacher candidates' professional and pedagogical competence in the Industrial revolution 4.0. The instrument consisted of 30 questions and was used in the main study, which was analyzed using the Rasch model to unravel the reliability and empirical validity. The questions were developed…

Informant-report measures for screening symptoms of autism spectrum disorder (ASD) and other neurodevelopmental disorders (NDDs) are needed for low-resource settings if early identification is to be prioritized because early developmental concerns are likely to be expressed by parents and other caregivers. This paper describes the initial…

Global warming is the most serious problem of our age. The most permanent measure to be taken against this problem is to ensure that individuals receive an effective and well-equipped education, free from misconceptions, which are obstacles to the efficiency of education. In this study, it is aimed to develop a four-stage diagnostic test that can…