Growth-to-standard models evaluate student growth against the growth needed to reach a future standard or target of interest, such as proficiency. A common growth-to-standard model involves comparing the popular Student Growth Percentile (SGP) to Adequate Growth Percentiles (AGPs). AGPs follow from an involved process based on fitting a series of…

Despite the prevalence of student learning objectives (SLOs) in teacher evaluation systems throughout the United States, research on the validity of student and teacher SLO scores used for high-stakes decisions is lacking. For this reason, this dissertation is comprised of two chapters that examine student and teacher-level SLO performance data…

Authentic assessment is a growing alternative to conventional testing. This research-to-practice article describes a framework for implementing authentic assessment. The R-E-A-L framework shows how roles, equipment, assessment tools, and location can be incorporated into early childhood practices.

The inclusion of young children with disabilities has remained a function of the Head Start program since its inception in the 1960s when the United States Congress mandated that children with disabilities comprise 10% of the Head Start enrollment (Zigler & Styfco, 2000). Standardized, norm-referenced tests used to identify children with…

This study examines the appropriateness of a large-scale state standards-based English-Language Arts (ELA) assessment for students who are deaf or hard of hearing by comparing the internal test structures for these students to students without disabilities. The Grade 4 and 8 ELA assessments were analyzed via a series of parcel-level exploratory…

The No Child Left Behind Act of 2001 (NCLBA) focused attention on the academic achievement of more than 5 million students with limited English proficiency. Obtaining valid test results for these students is challenging, given their language barriers. This testimony describes: (1) the extent to which these students are meeting annual academic…

This report reviews the current literature (mostly since 1993) on testing accommodations for students with disabilities, with an emphasis on studies examining the effects of testing accommodations on the technical integrity of assessment measures. The report notes a continuing lack of empirical research on testing accommodations, but evidence of…

State and federal mandates for education reform call for increased accountability and the inclusion of students with disabilities in all accountability efforts. In the rush to implement high-stakes education reforms, particularly those involving tests or assessments, the particular needs of students with severe cognitive disabilities are only now…