Core5 students in grades 3-5 showed significantly larger reading achievement gains than a matched comparison group (ES = +0.11)¶

Claim · All claims
Evidence · 1 study · causal r2 · q3 · i1 small
Currency · newest study 2022 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i1 In the largest and most recent study (2021-2022), Core5 students in grades 3-5 experienced significantly larger reading achievement gains on the NWEA MAP than students in matched comparison schools, with an effect size of +0.11. → Lexia® Core5® Reading — Evidence Rating: Moderate 2022

Evidence¶

Lexia® Core5® Reading — Evidence Rating: Moderate 2022¶

Lexia® Core5® Reading — Evidence Rating: Moderate. (2022). https://www.lexialearning.com/core5

q3 · i1 · causal · r2

A matched-comparison study of over 6,000 Core5 students in grades 3-5 during the 2021-2022 academic year compared a Core5-using district with similar non-using schools nationwide. Core5 students showed "significantly larger reading achievement gains on the NWEA MAP (effect size = +0.11)".

"The study compared students in a Core5-using school district with a matched comparison group from similar schools across the United States that did not use Core5. Results showed that Core5 students experienced significantly larger reading achievement gains on the NWEA MAP (effect size = +0.11)"

Discussion¶

Related Claims¶

• Across four studies of Lexia Core5, the average effect size on reading outcomes is +0.16 — a broader claim this one bears on
• Core5 use for one year yields significantly higher MAP reading scores than control for K-5 special education students (ES = +0.23) — related
• Of 18 reviewed Tier 2 literacy interventions, three had at most promising evidence and 12 had uncertain evidence of effects — related