Claims

Headsprout Early Reading has a statistically significant positive effect on the print knowledge of at-risk preschool children

Claim · All claims
Evidence · 1 study · causal r2 · q3 · i2 medium
Currency · newest study 2009 · checked against its sources 2026-10-20 (automated, 1 of 1 entry) · 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.

q3 i2 In the same randomized controlled trial, Headsprout Early Reading produced a statistically significant positive effect on print knowledge (TERA-3), with an effect size of 0.57 and an improvement index of +22 percentile points. → What Works Clearinghouse 2009

Evidence

What Works Clearinghouse 2009

What Works Clearinghouse, U.S. Department of Education. (2009). Headsprout® Early Reading (WWC Intervention Report). https://ies.ed.gov/ncee/wwc/InterventionReport/211

q3 · i2 · causal · r2

Randomized controlled trial (Huffstetter, 2005) reviewed by the WWC: 62 four-year-old Head Start children randomly assigned to Headsprout Reading Basics or Millie's Math House comparison. On the TERA-3 the mean gain difference was 8.71, effect size 0.57, "Statistically significant", improvement index +22.

"The authors report, and the WWC confirms, a statistically significant positive effect of Headsprout® Early Reading on print knowledge of children in this study."

Discussion

Learner Variables

Page metadata
Field Value
type claim
id headsprout-positive-print-knowledge-preschool
title Headsprout Early Reading has a statistically significant positive effect on the print knowledge of at-risk preschool children
description Headsprout Early Reading has a statistically significant positive effect on the print knowledge of at-risk preschool children
status review
evidence_strength moderate
newest_evidence 2009
source_checked 2026-10-20
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 1 — what-works-clearinghouse-2009

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