Curiosity Corner shows no discernible effects on phonological processing in the PCER randomized trial¶
Claim · All claims
Evidence · 1 study · causalr2·q3
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 i? In the PCER Consortium (2008) trial, Curiosity Corner participants did not differ significantly or substantively from controls on the Pre-CTOPPP Elision subtest. → Curiosity Corner 2009
Evidence¶
Curiosity Corner 2009¶
Curiosity Corner. (2009). WWC Intervention Report, What Works Clearinghouse, U.S. Department of Education. https://www.successforall.org/early/early_curiosity.htm
q3 · i? · causal · r2
Randomized controlled trial (PCER Consortium, 2008); phonological processing assessed with the Pre-CTOPPP Elision subtest in 18 preschools. The report confirms "no discernible effects on phonological processing."
"The study shows, and the WWC confirms, no statistically significant or substantively important differences between children who participated in Curiosity Corner and those in the control group, and thus, no discernible effects on phonological processing."
Discussion¶
Learner Variables¶
- Phonological Awareness — outcome: instruction changes it
Related Claims¶
- Bright Beginnings shows no discernible effects on preschool phonological processing (effect size -0.08, not statistically significant) — related
- Curiosity Corner shows no discernible effects on preschool math outcomes in the PCER randomized trial — related
- Curiosity Corner shows no discernible effects on preschool oral language outcomes across two studies meeting WWC standards — related
- Curiosity Corner shows no discernible effects on preschool print knowledge in the PCER randomized trial — related
- Ready, Set, Leap!® shows no discernible effects on oral language, print knowledge, phonological processing, early reading/writing, or math in preschoolers — related
- Pre-K Mathematics with DLM Early Childhood Express Math shows no discernible effects on preschool phonological processing — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
curiosity-corner-no-discernible-phonological-effects |
title |
Curiosity Corner shows no discernible effects on phonological processing in the PCER randomized trial |
description |
Curiosity Corner shows no discernible effects on phonological processing in the PCER randomized trial |
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 — curiosity-corner-2009 |
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