This study aims to test the validity and reliability of the IoJEPD model instrument to improve the competence of elementary school teachers. This study uses content validity. Quantitative methods and professional experts are the considerations used in this research. The stage of proving the validity of this instrument is carried out utilizing a…

This research aims to adapt the Teachers Homework Reasons scale into Turkish and develop the Teachers Homework Feedback Frequency scale. The study involved 475 primary, secondary, and high school teachers from northeastern Turkey, with an average age of 41.25 years and an equal gender distribution. The sample was divided into two sub-groups: one…

Numerous researchers have developed technological pedagogical content knowledge (TPACK) instruments for English language teaching; however, a valid and reliable instrument to unbox the primary English language teacher's TPACK profile from graduates of the primary school teacher education study program does not yet exist. Consequently, this study…

The main purpose of the research is to develop a valid and reliable scale for the perception of the desire to obtain legal authority in education administration. The sampling of the research consists of 390 education administrators and teachers with different statuses. Using the easily accessible sampling technique, the types of official primary,…

The aim of this study was to develop and validate a psychometrically-sound instrument to assess students' perceptions about class cohesion. Two studies were conducted. In Study 1, four steps were established: (1) development of the Class Cohesion Questionnaire (CCQ); (2) item selection; (3) item compression; and (4) exploration of psychometric…

This article aims to explore the symptoms and characteristics of dyscalculia. This is a qualitative study. Five experts in the field of special education took part in a focus group interview. Each expert had more than ten years of experience in their area of expertise. To determine the content validity of the protocol, three experts in special…

In this study, the Maker Competency Instrument (MCI) was developed to diagnose the level of Maker Competence of elementary and secondary students in South Korea. First, in this study, a draft of the test tool was adapted based on the Maker Competency Model developed as part of Yoon et al.'s research (2018). Then, two expert-level Delphi surveys…

"Parallel and Perpendicular Lines" is an important topic that serves as a basis for the learning of a more advanced geometric concept in later years. Yet, this topic is hard to master by the students. To pinpoint students' weaknesses in this topic, this study sought to develop a cognitive diagnostic assessment (CDA) to assess students'…

This study aims to develop a scale to measure teachers' perceptions of curriculum changes. The experimental form created for this purpose was presented to the experts for their opinions. The content validity rates of the items were determined in line with the feedback from experts. Items with a content validity rate of less than .80 were excluded…

Researchers design diagnostic assessments to measure students' knowledge structures and processing skills to provide information about their cognitive attribute. The purpose of this study is to determine the instrument's validity and score reliability, as well as to investigate the use of classical test theory to identify item characteristics. The…

Justifications play a central role in argumentation, which is a core topic in school science education. This paper contributes to this field of research by presenting two studies in which we assess students' justifications for supporting or rejecting hypotheses in the physics lab based on self-collected, anomalous experimental data, which are…

The main aim of this study is to develop a useful, valid, and reliable two-tier proportional reasoning skill test for middle school 7th and 8th-grade students. The research was carried out using the sequential explanatory mixed method. The study group of this research comprised of 391 (n[subscript 7th-grade]=223, n[subscript 8th-grade]=168)…

Although visual creativity in art affects all variables of the learning and teaching process, no measurement tool has been found in the Turkish literature regarding the level of students? visual creativity in art. In this study, a measurement tool was developed to measure visual creativity levels of primary school students in art and evidence…

This study aims to develop a test that can be used to explore mental models and representation patterns of objects in liquid fluid. The test developed by adapting the Reeves's Development Model was carried out in several stages, namely: determining the orientation and test segments; initial survey; preparation of the initial draft; try out;…

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…