In this study, whether item position effects lead to DIF in the condition where different test booklets are used was investigated. To do this the methods of Lord's chi-square and Raju's unsigned area with the 3PL model under with and without item purification were used. When the performance of the methods was compared, it was revealed that…

The piecewise latent growth models (PWLGMs) can be used to study changes in the growth trajectory of an outcome due to an event or condition, such as exposure to an intervention. When there are multiple outcomes of interest, a researcher may choose to fit a series of PWLGMs or a single parallel-process PWLGM. A comparison of these models is…

Traditional grading and reporting practices have been part of the educational system in the United States for centuries. Those grading practices are ingrained in schools across the country and have not changed much, if at all, over time. Traditional grading practices have a plethora of downfalls, but we continue to use them because they are what…

Sources of longitudinal achievement data are increasing thanks partially to the expansion of available interim assessments. These tests are often used to monitor the progress of students, classrooms, and schools within and across school years. Yet, few statistical models equipped to approximate the distinctly seasonal patterns in the data exist,…

The COVID-19 pandemic provided an opportunity to explore how different modes of learning may impact student achievement. Little research has been conducted regarding how the pandemic may have affected students' reading skills. The problem addressed in this study was that the effects of varying and inconsistent learning environments for Title I K-2…

In this study, primary school principals and teachers apply determination of the degree to which the views of the primary institutions. The research was carried out in the scan; working population in Istanbul province, Turkey on the Asian side in the Atasehir, Kadiköy, Kartal, Maltepe and the townships of Sultanbeyli the academic year 2011-2012,…

Recent experimental results suggest that negation is particularly challenging for children with reading difficulties. This study looks at how young poor readers, speakers of Mandarin Chinese, comprehend affirmative and negative sentences as compared with a group of age-matched typical readers. Forty-four Chinese children were tested with a truth…

Validity is one of the psychometric properties of the achievement tests. To determine the validity, one of the examination is item bias studies, which are based on differential item functioning (DIF) analyses and field experts' opinion. In this study, field experts were asked to estimate the DIF levels of the items to compare the estimations…

This study aims to compare the perceptions and self-efficacy skills of primary school teachers who have taken drama courses to those who have not in terms of the use of drama as a teaching technique. The sample of the study consists of prospective second and third grade teachers enrolled in the Primary School Teaching Department at Ahi Evran…

The study was carried out to discover the relationship between the performance characteristics (20 m. running, vertical jump, standing long jump, ball throwing, shuttle run) and the body mass index of 8-10 year-old school children. 3772 children (1995 male and 1777 female) aged 8-10 from Ankara participated in the study voluntarily. To measure the…

The experimenter conducted three experiments to compare incidental language acquisition of familiar and non-familiar stimuli, and asses the effects of specific pairing experiences on the emergence of bidirectional naming (BiN) for familiar and non-familiar stimuli. In Experiment I the experimenter assessed the numbers of accurate untaught listener…

Purpose: Researchers have developed a constellation model of decodingrelated reading disabilities (RD) to improve the RD risk determination. The model's hallmark is its inclusion of various RD indicators to determine RD risk. Classification methods such as logistic regression (LR) might be one way to determine RD risk within the constellation…

This paper, which is of comparative interest in professionalism and professional development, reports on Greek primary school teachers' views on specific aspects of the aforementioned issues. A total of 234 participants provided survey data, using anonymously filled-in questionnaires during the school year 2011-2012. More specifically, by…

Study purpose includes the collection, examination, and comparison of school district office discipline referral data records for fifth grade students with learning and emotional disabilities for a five-year school year timeframe from 2008-2013 for one school district with PBIS implementation starting with the 2008-2009 academic year. A research…

The public school systems in the United States are facing a major teacher shortage in the near future due to the fact that teachers are leaving the profession by the thousands each year. It is imperative that this trend is stopped and reversed to ensure that quality teachers remain in schools. The current study employed a causal-comparative design…