Charles Spearman and L. L. Thurstone were pioneers in the field of intelligence. They not only developed methods to assess and understand intelligence, but also developed theories about its structure and function. Methodologically, their approaches were not that distinct, but their theories of intelligence were philosophically very different --…

Although twice exceptional students are gradually receiving more recognition and intervention, they are still a grossly underserved segment of the school population. "A Call to Action: Identification and Intervention for Twice and Thrice Exceptional Students" begins with basic information about twice exceptional students--students who…

It is almost self-evident that test results will be unreliable and misleading if those undergoing assessments do not make a full effort on testing. Nevertheless, objective tests of effort have not typically been used with young adults to determine whether test results are valid or not. Because of the potential economic and/or recreational benefits…

The articles in this special issue make two important contributions to our understanding of the impact of accommodations on test score validity. First, they illustrate a variety of methods for collection and rigorous analyses of empirical data that can supplant expert judgment of the impact of accommodations. These methods range from internal…

The assessment of cognitive ability in students with the most severe disabilities presents a challenge to the clinicians who are charged with this task. This article is the second of a two-part series that summarizes what is currently known about effective assessment of the cognitive ability of students with significant impairments in order to…

A two-semester modified Spanish sequence was designed to address the needs of college students with language-based learning disabilities. This course featured reduced scope, an emphasis on tactile activities, metacognitive strategies, and adaptations to the presentation and practice of material. Performances on fall and spring semester-end essays…

Assessment of adaptive behavior traditionally has been associated with the identification of individuals with mental retardation. Information on adaptive behavior increasingly is being used for comprehensive assessment, treatment planning, intervention, and program evaluation for individuals with various disorders. Data from the normative samples…

This paper evaluates the impact of exposure to a voucher program for disabled students in Florida on the academic performance of disabled students who remain in the public school system. The authors utilize student-level data on the universe of public school students in the state of Florida from 2000-01 through 2004-05 to study the effect of the…

This article examines the purposes of the high-stakes tests that are given annually to students in elementary, middle, and high schools. It also describes the need to improve the test scores of all students, including those with disabilities. To improve results, educators are applying progress monitoring methods, including Curriculum-Based…

The No Child Left Behind Act (NCLB) firmly insists that performance analyses use disaggregated scores. Disaggregation, according to NCLB, involves measuring and reporting achievement for separate subgroups of children so that achievement problems in any one subgroup are not disguised when averaged or aggregated with higher achieving children in…