Claims

Hill and Lenard (2016): LevelSet Lexile effects were negative in spring 2014 and positive in spring 2015

Claim · All claims
Evidence · 1 study · quant-synthesis r2 · q2
Currency · newest study 2018 · not yet checked against its sources · not reviewed by a person

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q2 i? In a cluster randomized trial in grades 2–5, the LevelSet Lexile effect was statistically significant and negative in spring 2014 and statistically significant and positive in spring 2015; the two-year average was indeterminate. → What Works Clearinghouse 2018

Evidence

What Works Clearinghouse 2018

What Works Clearinghouse, Institute of Education Sciences, U.S. Department of Education. (2018). Adolescent Literacy intervention report: Achieve3000®. https://whatworks.ed.gov

q2 · i? · quant-synthesis · r2

Two-year cluster RCT in Wake County, NC (22,583 students in the general literacy analysis); spring 2014 effect size was −0.04 (p < .05) and spring 2015 was 0.21 (p < .01), with the direction reversing between years.

"The authors also reported, and the WWC confirmed, a statistically significant negative effect of Achieve3000® for students in grades 2–5 on the LevelSet Lexile score in spring 2014."

Discussion

Page metadata
Field Value
type claim
id kidbiz-levelset-year-contrast
title Hill and Lenard (2016): LevelSet Lexile effects were negative in spring 2014 and positive in spring 2015
description Hill and Lenard (2016): LevelSet Lexile effects were negative in spring 2014 and positive in spring 2015
status review
evidence_strength mixed
newest_evidence 2018
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 1 — what-works-clearinghouse-2018

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