Mixture IRT models address the heterogeneity in a population by extracting latent classes and allowing item parameters to vary between latent classes. Once the latent classes are extracted, they need to be further examined to be characterized. Some approaches have been adopted in the literature for this purpose. These approaches examine either the…

Home literacy activities influence children's emergent literacy progress and readiness for reading instruction. To help parents fulfill this opportunity, we developed a new Emergent Literacy Screener (ELS) and conducted 2 studies of its psychometric properties with independent prekindergarten samples. For Study 1 (n = 812, M[subscript age] = 54.4…

Background: Determining individuals' views of the nature of science is quite important for researchers since it is both a component of scientific literacy and a fundamental aim of science education. Purpose: This study aims to develop a NOSvs for assessing prospective teachers' views of the nature of science and to analyse their psychometric…

The Research Methods Skills Assessment (RMSA) was created to measure psychology majors' statistics knowledge and skills. The American Psychological Association's Guidelines for the Undergraduate Major in Psychology (APA, 2007, 2013) served as a framework for development. Results from a Rasch analysis with data from n = 330 undergraduates showed…

The Test of Gross Motor Development--Second Edition (TGMD-2) is a widely used evaluation tool of children's fundamental motor skills (FMS). This study illustrates how exploratory structural equation modeling (ESEM) addresses current limitations associated with TGMD-2 factor structure. Using the normative dataset from the TGMD-2 manual, we test…

The purpose of the study was to develop a scale, which will serve to determine how attitudes and behaviors of the coaches are perceived by the athletes. The scale, named as "Perceived Coach Attitudes and Behaviors Scale" (PCABS) was developed through various processes including exploratory and confirmatory factor analysis. Following the…

A multi-institution collaborative team of Australian chemistry education researchers, teaching a total of over 3000 first year chemistry students annually, has explored a tool for diagnosing students' prior conceptions as they enter tertiary chemistry courses. Five core topics were selected and clusters of diagnostic items were assembled linking…

To promote our theoretical understanding regarding the exploration process during adulthood, the current study focusses on this process as it relates to work and family life roles and the relations between them, during the transition to motherhood. Two instruments assessing vocational and maternal exploration, relating to self and environment…

The purpose of the present study was to adapt and validate the Need for Cognition Scale--Short Form (NfC-SF) in the Greek language. A multistep process was followed, including (a) the translation and adaptation of the questionnaire, (b) a reliability analysis of the instrument's items in combination with an exploratory factor analysis with 177…

The aim of this study was to develop a measurement instrument which is compatible with literature, of which validity and reliability are proved with the aim of determining interaction perceived by learners in online learning environments. Accordingly, literature review was made, and outline form of the scale was formed with item pool by taking 14…

The aim of this study is to investigate the reliability and validity of the DeMoulin Self-Concept Developmental Scale for 36-72 month old children. In addition, it has been attempted to examine the effects of age and gender variables on the self-concept of children. The study is in survey method. The sample consists of 810 children who attend…

The aim of this study was to describe the validity and reliability of a Turkish language version of the CoI survey developed by Arbaugh et al. (2008). Data were obtained from 1150 students enrolled in online courses in various departments in three Turkish state universities. The data were randomly divided into two parts: the first part was…

This study had two aims. The first was to explain the process of using the Rasch measurement model to validate tests in an easy-to-understand way for those unfamiliar with the Rasch measurement model. The second was to validate two final exams with several shared items. The exams were given to two groups of students with slightly differing English…

Validity and reliability are among the most crucial characteristics of a test. One of the steps to make sure that a test is valid and reliable is to examine the bias in test items. The purpose of this study was to examine the bias in 2012 Placement Test items in terms of gender variable using Rasch Model in Turkey. The sample of this study was…

The "Test of Financial Literacy" (TFL) was created to measure the financial knowledge of high school students. Its content is based on the standards and benchmarks stated in the "National Standards for Financial Literacy" (Council for Economic Education 2013). The test development process involved extensive item writing and…