Considering students' voices and perspectives is indispensable in educational contexts. Therefore, instruments of measurement that are reliable and valid and can be used easily without complications are needed in schools. The Perceptions of Inclusion Questionnaire (PIQ) is a short instrument used to assess three central dimensions of inclusion,…

Using expert reviews and item response theory (IRT), this study evaluated the language- and culture-related construct-irrelevant variance and reliability of the 2019 TIMSS sense of school belonging scale (SSBS) for grades 4 and 8. The five items of the SSBS, which were identical for both grades, were reviewed for the language- and culture-related…

Critical consciousness represents the analysis and critique of structural inequalities, the motivation and perceived capacity to effect change, and social action to redress inequity. A wave of recent instruments measuring critical consciousness have been rigorously validated. Yet, whether these measures efficiently assess different levels of…

Critical consciousness represents the analysis and critique of structural inequalities, the motivation and perceived capacity to effect change, and social action to redress inequity. A wave of recent instruments measuring critical consciousness has been rigorously validated. Yet, whether these measures efficiently assess different levels of…

The aim of this research is to examine the dimensions of junior high school teachers' readiness for implementing a flipped classroom approach and to construct and validate an instrument--the Flipped-Classroom Teacher Scale (FCTS). Two sets of samples (170 and 495 junior high school teachers) served to explore and confirm the constructs of the FCTS…

The school climate measure (SCM) has demonstrated robust psychometrics in regionally diverse samples of high school-aged adolescents, but remains untested among early adolescents. Confirmatory factor analysis was used to establish construct validity and measurement indices of the SCM using a sample of early adolescents from public schools located…

Critical thinking has been one of the 21st-century skills consistently associated with students' future career advancement as a positive student outcome of STEM education. The aim of the study is to develop and validate science critical thinking skill instruments to assess the improvement in the subject of living organisms and force and friction…

Psychological sense of community among early adolescents has been investigated using instruments developed for adolescents/adults or ad hoc scales. The aim was to contribute to the validation of a scale of Sense of Community in Early Adolescents (SoC-EA) using a 3-year longitudinal study. Participants were 576 Italian students attending middle…

Recently a novel instrument -- the Core Academic Language Instrument (CALS-I) -- aimed at testing a constellation of school-relevant English language skills was developed and validated for use in the United States (Uccelli, Barr, Dobbs, Galloway, Meneses and Sánchez, 2015. Core Academic Language Skills: An expanded operational construct and a…

The aim of the study is to develop a scale named Classroom Life Perception Scale (CLPS) for determining the classroom life perceptions of the students toward lessons. The proposal scale, composed of 44 items, was applied to 2 study groups. The group of Exploratory Factor Analysis that aims to determine the psychometric properties especially the…

The objectives in this research were to determine the construct validity of both an adapted self-confidence questionnaire, the Personal Evaluation Inventory (PEI), developed by Shrauger and Schohn, and a Generalised Anxiety Disorder (GAD) questionnaire, which was adapted from the Taylor Manifest Anxiety Scale. The research was conducted in two…

This study aims to develop a scale based on vignettes and scenarios to determine the epistemological beliefs of middle school students. The study group of this cross-sectional study is investigated by random sampling and consists of 257 middle school students studying in Manisa province in western Turkey in the 2019-2020 academic year. For…

The purpose of this study is to research the validity and reliability of the Turkish version of Designing my Future Scale developed by Di Maggio et al (2017) for the adolescents. Study had been carried out with 360 students in total who randomly selected from grades 9 and 10 from Namik Kemal High School, Bekir pasa High School and Erenköy High…

This study reports on the conceptualization of a new construct targeting the cross-disciplinary academic language skills most relevant to school reading comprehension, targeting the validation of the Core Academic Language Skills (CALS) Instrument, a novel assessment tool which measures this construct. Participants included Grade 4-8 monolingual…

A scale for measuring self-efficacy for teaching mathematics in grades 5 to 10 was developed in this study for teachers in Oman. The participants were 328 mathematics teachers randomly selected from five educational governorates in the Sultanate of Oman. Factorial structure of the scale revealed three subscales: self-efficacy for understanding the…