The purpose of this study is to study the performance of different methods (inverse probability weighting and estimation of informative bounds) to control for differential attrition by comparing the results of different methods using two datasets: an original dataset from Portland Public Schools (PPS) subject to high rates of differential…

Background/Context: From two decades of research on the grading practices of teachers in secondary schools, researchers discovered that teachers evaluated students on numerous factors that do not validly assess a student's achievement level in a specific content area. These consistent findings suggested that traditional grading practices evolved…

The purpose of this study was to examine the effect of the asynchronous voice-conferencing technology, "Voice Thread"®, on the anxiety and oral proficiency of high school students in their third year of studying Spanish as a foreign language. In this quasi-experimental study students' foreign language anxiety levels and oral proficiency…

This study examined whether teacher portfolios can be validly and reliably assessed by investigating the effect of an instructional tool on increasing the level of reflective thinking in elementary preservice teachers' portfolios. It also examined whether reflective thinking in preservice teachers' electronic portfolios represented sufficient…

This study aims to develop and apply a rubric to evaluate the solutions of pre-service primary science teachers to questions about Newton's Laws of Motion. Two groups were taught the topic using the same teaching methods and administered four questions before and after teaching. Furthermore, 76 students in the experiment group were instructed…

The study investigated the effects of the Cognitive Level and Quality Writing Assessment (CLAQWA) rubric on the cognitive skill and writing skill growth of college freshmen. The participants (n = 107) were enrolled in a composition course at a Midwestern state university. The nonequivalent control group design used quantitative analysis with…

The purpose of this researcher was to evaluate the efficacy of an in-service training program in the use of a rubric-driven assessment system for classroom behavior management. Thirty randomly assigned teachers received in-service training and 30 teachers served as a control group. The use of a rubric-driven assessment provided both teachers and…

This paper discusses a pilot study of the effects of a curriculum focus intervention on students' prealgebra achievement. Elements of the intervention include identification of high-priority learning objective; structured repeatable testing; and a coherent, rubric-based feedback component. This research differs from traditional mastery learning…

As everyone enters the 21st Century there is a great deal of discussion in business and education circles alike about the type of skills the youth will need to survive and thrive in this century. At the same time, there is little known today about the level of 21st Century skills students currently have. In part this is because, as a nation,…