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…

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,…

This study is a comparative analysis of the characteristics of moral exemplars presented in moral education textbooks in Korea and Japan. The purpose of the study is to examine and compare moral values presented through the lives and stories of moral exemplars in the two countries that have moral education as an independent and separate subject…

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…

Despite its omnipresence, quantitative research examining both the nature and the function of adolescent gossip has been limited. The present study aimed to address this limitation in the literature by examining the nature and function of adolescent gossip; in particular, it aimed to explore observed differences between the gossip of those popular…

This study aimed to examine the relationship between social-emotional learning skills and perceived social support of gifted students. Based on this relationship, the authors also examined to what extent social and emotional learning skills were predictive of social support. In addition, gender variables were compared in social and emotional…

Many physical educators today are teaching lifetime sports, including outdoor activities such as cycling. Even though cycling is a low impact exercise that aids stamina and fitness, little is known about additional benefits in other areas including agility, balance, and explosive power. The purpose of this study was to ascertain if there are…

The passage of landmark federal legislation in 1975 guaranteed students with disabilities (SWDs) a free appropriate public education. Over time, reauthorization of this legislation has highlighted the importance of educating SWDs in the general education environment where appropriate, and significant interaction with general education peers who…

This study was aimed to examine the relation between the STEM (Science, Technology, Engineering and Mathematics) career interests and science process skills of middle school seventh grade students. Method of this study was the relational survey method. The study was conducted on the basis of voluntariness and participants were 133 seventh grade…

This study examines the effects of oral repeated reading, with and without corrective feedback, on the fluency and comprehension skills of 60 struggling readers in 7th Grade. Comparisons were made by group on narrative and expository reading ability and by comprehension question type. Students were randomly assigned to one of two reading groups…

Matin1 1 Faculty member of Organization for Educational Research and Planning (OERP), Iran Correspondence: Shamsi Nami, Faculty member of Organization for Educational Research and Planning (OERP), Iran. E-mail: shamsinami@gmail.com Received: July 24, 2016 Accepted: October 10, 2016 Online Published: February 27, 2017 doi:10.5539/ies.v10n3p99 URL:…

This study aimed at determining the impact of demographic factors on the Internet usage purposes of high school students. The population of the study consisted of students between 9th and 12th grades from the Anatolian high schools, science high schools, social sciences high schools, sports high schools and fine arts high schools in Turkey. The…

The purpose of this study was to determine if there was a difference in the writing assessment scores for each of the four traits--development, focus and organization, language, and conventions--as measured by the Tennessee Comprehensive Assessment Program (TCAP) of students who had a formal keyboarding course compared to those who did not. A…

The goal of this study was to determine whether there was a significant relationship between participation in athletic activities and academic achievement. Academic achievement was to be measured by the Mississippi Curriculum Test, Second Edition (MCT2). This study focused on MCT2 scores in mathematics and language arts for 8th grade male and…

The purpose of this quantitative nonexperimental causal comparative research study is to determine if there is a statistically significant difference in reading and math achievement as measured by the Georgia Criterion-Referenced Competency Test (CRCT) for sixth, seventh, and eighth grade students with disabilities (SWD) who attended the…