The aim of the current study was to verify the internal and external validity of the construct of implicit beliefs concept in the sports context, the Conceptions of the Nature of Athletic Ability Questionnaire-2 (CNAAQ-2). The data of this study were collected from 322 adolescent football players by using CNAAQ-2 and MT (Mental Toughness)…

This study aimed to introduce an ego-resiliency questionnaire for preadolescents (the ER-P) by restructuring the ER89 using the data of 1398 preadolescents from the Panel Study on Korean Children. The ER-P was proposed as a 10-item second-order instrument with two factors (Optimal Regulation and Openness to Life Experiences). The ER-P achieved…

Though recent advances in research on social class have contributed to our wider understanding of college students' academic and social outcomes, classism in academe remains underexplored across cultures, primarily due to a lack of instruments. The present study discussed the validation of the existing classism measure to assess Korean college…

Online self-learning became widespread after the onset of the COVID-19 pandemic, and during this period, learners' self-leadership became an important measure of their competency. This study aims to verify the validity and reliability of the tool by translating the Abbreviated Self-Leadership Questionnaire (ASLQ) into Korean. Through web-based…

Behavior coding is used to detect issues in questionnaires by flagging interactions between survey respondents and interviewers when their interactions deviate from standardized interviewing. It has become a popular method for evaluating survey questionnaire quality and has been used mostly in Western countries, with little research being done in…

The 12-item General Health Questionnaire (GHQ-12) is designed to detect a diagnosable psychiatric disorder and has demonstrated positive psychometric properties in adult populations. Despite these findings, the psychometric properties of the GHQ-12 have hardly been examined with regard to early childhood teachers. This study purposed to examine…

This study examines measurement invariance of student perceptions of teaching quality collected in five countries: Indonesia (n students = 6,331), the Netherlands (n students = 6,738), South Africa (n students = 3,422), South Korea (n students = 6,997) and Spain (n students = 4,676). The administered questionnaire was the My Teacher Questionnaire…

This study aimed to examine the construct validity of the Attitudes Toward Career Counseling Scale (ATCCS) in Korea. In Study 1, confirmatory factor analysis (CFA) was used for testing the factor structure of the scale. The results supported a two-factor (value and stigma) model, which was theoretically driven from the original study. Results of…

A valid metacognitive awareness second language (L2) listening questionnaire is important for both researchers and teachers to facilitate the measurement of language learners' ability to reflect on and direct their L2 learning. However, very few metacognitive awareness questionnaires have been validated, particularly in the area of L2 listening…

This study describes the development and psychometric properties of the Counseling Supervisor's Behavior Questionnaire, designed to assess the specific behaviors of supervisors, which can be observed by supervisees during supervision sessions. Factor structure, construct and concurrent validity, and internal consistency reliability of the…

Background: The aim of this study was to establish the psychometric properties of the Korean Behaviour Problems Inventory (BPI-01). Methods: Fifty-five allied professionals completed a content validity questionnaire about the Korean BPI-01. To examine reliability, 52 individuals with intellectual disabilities residing in a medium-sized residential…

Demographic trends in Korea indicate that the student population is becoming more diverse with regards to culture, ethnicity and language. These changes have implications for science classrooms where inquiry-based, student-centered activities require culturally and linguistically diverse (CLD) students to connect with their peers and successfully…

Purpose: We tested the reliability and validity of the Self-Efficacy Questionnaire for Children (SEQ-C) in a sample of children living in orphanages in South Korea. Methods: Our study sample consisted of 334 children aged 13-18 obtained using a convenience sampling method. We conducted a confirmatory factor analysis to identify the factor…

This study examined the effect of an intervention on coping knowledge among fifth- and sixth-grade elementary schoolchildren who received smartphone-delivered emergency preparedness education. This was a quasi-experimental study using a pre-/posttest design. Eighty-six children were recruited to participate. The children in the experimental group…

International large-scale assessments are now part of the educational landscape in many countries and often feed into major policy decisions. Yet, such assessments also provide data sets for secondary analysis that can address key issues of concern to educators and policymakers alike. Traditionally, such secondary analyses have been based on a…