Purpose: This study aims to compare the performances of Item Response Theory (IRT) equating and kernel equating (KE) methods based on equating errors (RMSD) and standard error of equating (SEE) using the anchor item nonequivalent groups design. Method: Within this scope, a set of conditions, including ability distribution, type of anchor items…

Purpose: Previous research focused on graphical skills of the students, which remains a gap that exists, and there has not been comprehensive research on students' graphical literacy abilities. The present study aims to picture graphical literacy levels of the 8th grade students concerning the "reading," "interpreting,"…

Problem Statement: Equating can be defined as a statistical process that allows modifying the differences between test forms with similar content and difficulty so that the scores obtained from these forms can be used interchangeably. In the literature, there are many equating methods, one of which is Kernel equating. Trends in International…

Purpose: In the literature, it has been stated that hope and life satisfaction in childhood and adolescence are associated with cultural and social factors. This study aimed to discover whether Turkish and American adolescents differ in their life satisfaction and hope levels, by examining hope and life satisfaction in Turkish and American…

Purpose: It is extremely important for teachers to have the psychological capital to enhance their performance outputs in educational organizations. Teachers having psychological capital will positively influence all the members of the school. This kind of teacher will develop and support colleagues' and students' positive attitudes such as…

Methods: A descriptive quantitative research study was conducted with 670 students and 90 lecturers from 11 faculties at UIN Jakarta. The student samples consisted of 270 men and 400 women, while lecturer samples consisted of 44 men and 46 women. Data were collected via interviews and a perceptual questionnaire consisting of 54 items scored on a…

Purpose: Studies in the literature have generally demonstrated that the causes of differential item functioning (DIF) are complex and not directly related to defined groups. The purpose of this study is to determine the DIF according to the mixture item response theory (MixIRT) model, based on the latent group approach, as well as the…

Purpose: The answer-copying tendency has the potential to detect suspicious answer patterns for prior distributions of statistical detection techniques. The aim of this study is to develop a valid and reliable measurement tool as a scale in order to observe the tendency of university students' copying of answers. Also, it is aimed to provide…

Purpose of the Study: Missing data are a common problem encountered while implementing measurement instruments. Yet the extent to which reliability, validity, average discrimination and difficulty of the test results are affected by the missing data has not been studied much. Since it is inevitable that missing data have an impact on the…

Purpose: The research objective was to compare students' learning achievement for sociable learning motivation students in social science (IPS) using cooperative learning. Research Methods: This research used a quasi-experimental method with a pre-test/post-test design involving 35 fifth-grade students. The learning process was conducted four…

Purpose: This study aimed at investigating the effectiveness of implementing Project Based Learning (PBL) on the topic of statistics at a lower secondary school in Surabaya city, Indonesia, indicated by examining student learning outcomes, student responses, and student activity. Research Methods: A quasi experimental method was conducted over two…

Purpose: Mental health professionals' personal values have a critical role in providing efficient services to culturally diverse clients, being social advocates, and promoting social justice. In the present study, mental health professionals in Turkey were assumed to be grouped under three categories: the ones who are sensitive, who are rigid, and…

Purpose: This study aims to examine the occupational burnout levels of teachers working in special education and rehabilitation centers affiliated with the Ministry of National Education regarding socio-demographic variables, job satisfaction, and general self-efficacy levels. Research Methods: The descriptive method and relational scanning model…

Purpose: Several studies can be found in the literature that investigate the performance of ? under various conditions. However no study for the effects of item difficulty, item discrimination, and ability restrictions on the performance of ? could be found. The current study aims to investigate the performance of ? for the conditions given below.…

Purpose: A comfortable and happy work environment, where all the teachers are sincere and true to each other and sure that what they say and do will not be used against them, is a basic need for a teacher. It is thought that meeting this expectation is up to the feeling of trust, especially in the principal, and then in colleagues and students and…