Lexia Reading has potentially positive effects on alphabetics for beginning readers¶

Claim · All claims
Evidence · 1 study · quant-synthesis r2 · q3 · i1 small
Currency · newest study 2009 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i1 The WWC rates Lexia Reading as having potentially positive effects on the alphabetics domain, with an average improvement index of +11 percentile points and a domain average effect size of 0.27 that was not statistically significant. → What Works Clearinghouse 2009

Evidence¶

What Works Clearinghouse 2009¶

What Works Clearinghouse, U.S. Department of Education. (2009). WWC Intervention Report: Lexia Reading, Beginning Reading. https://ies.ed.gov/ncee/wwc/InterventionReport/274

q3 · i1 · quant-synthesis · r2

WWC synthesis of two studies meeting evidence standards and one meeting standards with reservations in the alphabetics domain. The WWC-computed domain average effect size was 0.27, not statistically significant, and the rating was potentially positive; the report states the "average improvement index for alphabetics is +11 percentile points."

"The average improvement index for alphabetics is +11 percentile points across the two studies, with a range of –31 t o +50 percentile points across findings."

Discussion¶

Related Claims¶

• Earobics® has positive effects on alphabetics for K–3 beginning readers, based on four WWC-reviewed studies — related
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