Combining Bachman's (1990) conceptualization of content validity with Messick's (1989) unifying model of construct validity, this study attempted to fill the gap in researching content validation in the context of a university reading achievement test by (a) examining traditional content validity evidence and (b) analyzing the test scores to…

The aim of this study was to investigate the effect of a play-based program on reducing the effects of student's abuse and to improving their self-esteem. To achieve this goal, a sample was selected and composed of 60 male and female abused students. They were divided into two groups: control group and experimental group which both consisted of 30…

The purpose of this study is developing a valid and reliable scale intended to determine the irrational beliefs of students in mathematics. The study was conducted with a study group consisting of 700 students in 2015-2016 academic year. Expert opinions were received for the content and face validity of the scale, and the Exploratory Factor…

In response to the ever increasing demand to compete in a global economy, the United States needs to prepare its students with the appropriate technical knowledge and communication skills to be competitive in the 21st century (Watson, 2007). Students must begin utilizing current technology tools during their K-12 educational experience and online…

While the value of portfolio learning and assessment has gained much support from the educational community, many questions arise as specific implementations are attempted. This study examined one aspect, namely, the content validity of specific requirements, and addressed the question "How do various constituencies (methods students, student…