To address the need for reform in undergraduate science education a new instructional model called "Argument-Driven Inquiry" (ADI) was developed and then implemented in a undergraduate chemistry course at a community college in the southeastern United States (Sampson, Walker, & Grooms, 2009; Walker, Sampson, & Zimmerman, in press). The ADI…

The purpose of this study was to determine whether the consistent use of metacognitive strategies embedded in an Interactive Student Notebook (ISN) would impact the science process skills of 7th-grade students. In addition, this study explored whether specific teacher written feedback, provided to students in the ISN, further enhanced the use of…

Purpose. The primary purpose of this study was to assess whether very early access to speech sounds provided by the cochlear implant enabled children with severe to profound hearing loss to develop age-appropriate phonological awareness abilities during their preschool years. A secondary purpose of this study was to examine whether preschoolage…

This dissertation study examined the reliability and validity claims of a modified version of the Spanish Modern Language Association Foreign Language Proficiency Test for Teachers and Advanced Students administered at George Mason University (GMU). The study used the 1999 computerized GMU version that was administered to 277 test-takers via…