In 2012, 14 states passed legislation geared toward improving 3rd-grade literacy through identification, intervention, and/or retention initiatives. Today, a total of 32 states and the District of Columbia have policies in statute aimed at improving 3rd-grade reading proficiency. The majority of these states require early assessment and…

Since 2007, when this technical report was originally issued, the assessment field has made considerable progress in developing valid and reliable screening measures for early mathematics difficulties. This update includes new research published since 2007. It focuses on valid and reliable screening measures for students in kindergarten and first…

In Canadian public primary schools, newcomer West African refugees like other ethnic immigrant students are a visible minority group, often referred as Linguistic and Culturally Different (LCD) students. In the province of British Columbia, newcomer immigrant students are subjected to a battery of tests, as soon as they enroll in the primary…

Within the Response-to-Intervention framework, students who fail to profit from high-quality general education instruction, accommodations, and supplemental instruction progress to a more intensive intervention program, sometimes referred to as "Tier III." This article describes a problem-solving approach to designing such intensive, data-based,…

Since the reauthorization of the Individuals With Disabilities Education Act (2004), the use of Response to Intervention (RTI) in the identification of students suspected of having learning disabilities has been legitimized. Several professional organizations, including the International Reading Association (IRA), have recognized the importance of…

A fundamental assumption in the identification of specific learning disabilities (SLD) has been that the presence of a severe discrepancy between ability and academic achievement is a valid marker for the presence of a SLD. This assumption is based on the notion that discrepant low achievers constitute a unique group of children who are different…

The use of the term "response to intervention" focuses on its potential utility for diagnosis of learning disabilities. In this context, "response to intervention" can be understood as a diagnostic approach for determining which students are entitled to special educational services. It is important to notice that the validity of the RTI diagnostic…

The provision for allowing local education agencies to use an assessment of a student's response to intervention (RTI) in lieu of a consideration of an ability--achievement discrepancy has been a controversial aspect of the 2004 Individuals with Disabilities Education Improvement Act. To address issues that have arisen about RTI, a series of…

A major advance in the field of reading over the past 15 years has been the development and validation of screening measures that can detect with reasonable accuracy those kindergartners and first graders likely to experience difficulty in learning to read. Increasingly, these students now receive additional instructional support during the…