A web-based two-tier test (WTTT-NS) which combined the advantages of traditional written tests and interviews in assessing number sense was developed and applied to assess students' answers and reasons for the questions. In addition, students' major misconceptions can be detected. A total of 1,248 sixth graders in Taiwan were selected to…

The current study explored multiple ways in which middle schools can use and integrate data sources to predict proficiency on future high-stakes state achievement tests. The diagnostic accuracy of (a) prior achievement data, (b) teacher rating scale scores, (c) a composite score combining state test scores and rating scale responses, and (d) two…

Through a review of the literature on mathematical learning disabilities (MLD) and low achievement in mathematics (LA) we have proposed a model classifying mathematical skills involved in learning mathematics into four domains (Core number, Memory, Reasoning, and Visual-spatial). In this paper we present a new experimental computer-based battery…

One goal of the US Department of Education-funded Project Insights was to see if the use of Problem-based Learning (PBL) would encourage students to reveal previously unseen academic potential. Two PBL units were taught to 271 sixth grade students in 13 classrooms. Afterwards, teachers identified students who demonstrated previously unseen…

In this article, we provide empirical evidence on the utility of a teacher-mediated diagnostic classroom assessment intervention for identifying and addressing learning gaps in learner domains. Early results, based on 11 treatment and 27 comparison classes with 381 students and 38 teachers overall, indicated positive changes in teachers'…

Dwayne is a Grade 6 student who came to Canada from Jamaica at the age of seven. Upon arrival in a new school Dwayne had to adapt to a new culture. In addition, Dwayne was identified as having severe behavioural problems and learning difficulties, and it was recommended within the first month of school that the boy be medicated in order for him to…

This study reviewed the effects of change, fatigue and transformation of low-performing schools while implementing an instructional Design rather than an instructional program. The study investigated the relationship of the America's Choice, Inc. schools with the configuration of the grades 6-8 scores compared to the scores of the state average…