Using a subset of data from the Alphabetic Braille and Contracted Braille Study, researchers analyzed the patterns and characteristics of hand movements as predictors of reading performance. Statistically significant differences were found between one- and two-handed readers and between patterns of hand movements and reading rates.

This article reports the results of data from 114 writing samples of 39 children who read braille and who were included in the Alphabetic Braille and Contracted Braille (ABC) Study between 2002 and 2005. Writing characteristics, miscues, and composition characteristics are analyzed, and two case studies are included.

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Studies that are designed to meet goldstandard criteria or are scientifically valid are more likely to get funded (Albro, 2008). They also can be used as evidence for preferred practice, which is required by the No Child Left Behind Act ( 2002). In addition, experimental or gold-standard research is the most powerful tool that researchers have for establishing cause-and-effect relationships (Gall, Gall, & Borg, 2007). The National Professional Development Center on Autism Spectrum Disorders (2008, n.p.) defines research that meets the standards for evidence-based practice as follows:Sincere appreciation goes to Donald Compton, Vanderbilt University, for his guidance and thoughts on power analysis, and Diane P. Wormsley, North Carolina Central University, for her input.