A cluster randomized control field trial of the ABRACADABRA web-based literacy intervention: Replication and extension of basic findings.

A cluster randomized control field trial of the ABRACADABRA web-based literacy intervention: Replication and extension of basic findings.

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The present paper reports a cluster randomized control trial evaluation of teaching using ABRACADABRA (ABRA), an evidence-based and web-based literacy S.R. CALME MENTAL intervention (http://abralite.concordia.ca) with 107 kindergarten and 96 grade 1 children in 24 classes (12 intervention 12 control classes) from all 12 elementary schools in one school district in Canada.Children in the intervention condition received 10-12 hours of whole class instruction using ABRA between pre- and post-test.Hierarchical linear modeling of post-test results showed significant gains in letter-sound knowledge for intervention classrooms over control classrooms.

In addition, medium effect sizes were evident for three of five outcome measures favoring the intervention: letter-sound knowledge (d = +.66), phonological blending (d = +.52), and word reading (d = +.52), over effect sizes for regular teaching.It is concluded that Recording Media Accessories regular teaching with ABRA technology adds significantly to literacy in the early elementary years.