Discrimination of reversible mirrored letters (e.g., d and b) poses a challenge when learning to read as it requires overcoming "mirror invariance," an evolutionary-old perceptual tendency of processing mirror images as equivalent. The present study investigated "when," in reading development, mirror-image discrimination…

We modeled word reading growth in typically developing (n = 118) and children with dyslexia (n = 20), Grades 2-5, across multiple exposures to 30 words. We explored the facilitative versus inhibitory effects of exposures to differential mixes of words that support high- versus low-frequency vowel pronunciations. One training corpus contained a…

Incremental rehearsal (IR) is a flashcard technique that has produced strong effects for a variety of outcomes including word recognition. We utilized theory-based modifications to IR to enhance maintenance and generalization of sight words. We utilized a within-subjects design in which 41 participants in 2nd and 3rd grade were taught seven…

Grounded in the simple view of reading, this study tracked the development of print-processing skill in high-, average-, and low-achieving readers at six time points across grades 1-3. Results showed large between-group differences in sight vocabulary, oral reading accuracy, and oral reading rate that remained stable from beginning of first grade…

After considering the relationships between (a) reading fluency and reading rate and (b) reading rate and sight vocabulary, this study addressed a very practical question. Can a cut score on a sight vocabulary task (1-min) predict level of reading fluency 4+ months into the future? The prediction was tested at multiple times point across grades…

Students with attention deficit/hyperactivity disorder (ADHD) often struggle with spelling. Research shows this population benefits from self-management interventions, structured practice opportunities, and immediate feedback--all components of the copy-cover-compare strategy. This empirical investigation used a multiple-baseline experimental…

The purpose of this study was to study the effect of pairing reading racetracks and flashcards for the teaching of sight words. The first participant was diagnosed with a specific learning disability in reading and writing and was also diagnosed with ADHD. The second participant was diagnosed with a specific learning disability in reading,…

Two versions of RAVE-O, a fluency-based reading intervention were examined over a 2-intervention period: a 9-month, 44-hour afterschool intervention program, and a month long, 44-hour summer intervention program. 80 children in grades 1-3 were tested on the two subtests of the Test of Word-Reading Efficiency and were assigned to one of 6 groups…

The purpose of this study was to compare student's tested recognition of the Dolch 220 words with their responses to the 220 highest frequency words found by Kucera and Francis in their "Computational Analysis of Present-Day American English." Subjects consisted of 155 second graders and 179 third graders from classrooms in four schools…

PCI Education sought scientifically based evidence on the effectiveness of the "PCI Reading Program--Level One" for students with severe disabilities. During the 2007-2008 academic year. Empirical Education conducted a randomized control trial (RCT) in two Florida districts, Brevard and Miami-Dade County Public Schools. For this…

Examines the word-reading strategies of a sample of second- and third-grade students in normal classrooms, focusing on the students' relative reliance on decoding versus sight-word associations. Suggests that lack of efficient decoding skills will begin to take a toll on reading comprehension by grade 3. (SR)