The aim of this study was to develop an instrument for assessing sixth-grade students' number sense skills in fractions and decimals. This study was conducted on 452 sixth graders (10-11 years old) from the western region of Turkey. The construct validity of the number sense test (NST) was examined via exploratory factor analysis (EFA) and…

This study examined whether social mistrust in early adolescence was general or referent-specific. We used a multi-trait multi-method approach to examine the validity of mistrust measures across social referents (mistrust toward people in general, toward peers, and toward teachers), using questionnaires and an online task. Sixth graders (N = 1243,…

This study aims to measure the development of Islamic education modules integrated with "Maja Labo Dahu" culture that can improve the character of elementary school students. Module development was conducted at State Elementary School 45 Pane, Bima City, using the Borg and Gall model development research (R&D) method. The results of…

This paper seeks to develop and validate the parental behavior scale by applying the theory of social constructivism. The study explores the main components of this parental behavior scale and verifies the validity of the scale. The relationship between the developed scale and related variables are also analyzed. A preliminary survey was conducted…

Self concept is an experiential formation gained as a result of certain experiences. The concept of self-concept has an interesting intersection with the psychological field of humour. The aim of the study is to examine the relationship between the humor styles and self-perceptions of primary school 4th grade students and to conduct the…

Increasing children's access to media has attached greater significance to media literacy education, the content and methods of which have changed with media development. This study aimed to investigate the effects of the Community of Inquiry (CoI) method on media literacy competencies in elementary students. To this end, 95 female sixth-grade…

There are limited research studies about the development of test instrument to assess the level of entrepreneurial thinking among children in STEM education. The purpose of this research was to develop an Entrepreneurial Science Thinking Test (ESTT) for primary school children in STEM Education and evaluate its validity and reliability. The ESTT…

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…

Although the impact of non-cognitive factors, such as math anxiety, math test-taking anxiety, and attitudes toward mathematics, has been extensively studied, this area remains partially unexplored in the realm of national assessments. This research focuses on the analysis of the validity and reliability of an 11-item questionnaire introduced by…

The aim of this study is to develop a valid and reliable astronomy attitude scale for secondary school students. The method of this research is a scale development study. The study group of the research consists of 300 students studying in 3 different secondary schools in Turkey in the first semester of the 2022-2023 academic year. A 32-item…

The current study assessed reliability and validity evidence of the shortened Swedish Mathematics Anxiety Rating Scale--Elementary (MARS-E), using data from three time points. After initial pilot tests, a total of 429 students participated in the study, completing the MARS-E twice during grade 4 and once during grade 5. Confirmatory factor…

Purpose: The first purpose of this study was to investigate how children's knowledge of taught words and transfer words assessed 10 months after a morphological vocabulary intervention can be predicted by means of language measures taken before the intervention. The second purpose was to investigate whether and how immediate post-intervention…

This study aims to develop a test to measure sixth grade students' success in 'Circulatory System'. For this purpose, a draft test containing 22 questions was prepared by the researchers. And then, the draft test was submitted to expert opinion and examined in terms of language and content. Following expert opinions, the 22 multiple-choice…

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 Cross-Classified Mixed Effects Model (CCMEM) has been demonstrated to be a flexible framework for evaluating reliability by measurement specialists. Reliability can be estimated based on the variance components of the test scores. Built upon their accomplishment, this study extends the CCMEM to be used for evaluating validity evidence.…