Lexia Reading shows no discernible effects on general reading achievement¶

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

Subclaims¶

q3 i? The WWC rates Lexia Reading as having no discernible effects on general reading achievement, with an improvement index of +9 percentile points and an effect size of 0.23 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 · i? · quant-synthesis · r2

WWC synthesis of general reading achievement from Macaruso, Hook, and McCabe (2006), a randomized controlled trial using the Gates-MacGintie Reading Test, Level BR: Form S. The effect size was 0.23, not statistically significant and not substantively important; the report states the index reflects "only one outcome."

"The improvement index for general reading achievement is +9 percentile points, reflecting only one outcome."

Discussion¶

Related Claims¶

• Lexia Reading shows no discernible effects on reading fluency — related
• Lexia Reading has potentially positive effects on alphabetics for beginning readers — related
• Lexia Reading has potentially positive effects on comprehension — related
• Sound Partners shows no discernible effects on general reading achievement — related
• Subgroup advantages for low performers and Title I students exceed full-sample effects in two qualifying studies — a narrower finding that bears on this claim