Claims

Pre-K graduates outperform nonattending peers in achievement and executive functioning at the end of kindergarten

Claim · All claims
Evidence · 1 study · associational r? · q3
Currency · newest study 2020 · 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? Children who attended pre-K outperformed nonattending peers on achievement and executive functioning skills at the end of kindergarten. → Erik Ruzek 2020

Evidence

Erik Ruzek 2020

Erik Ruzek, Arya Ansari, Robert Pianta, Jessica Whittaker, Virginia Vitiello. (2020). Persistence and convergence: The end of kindergarten outcomes of pre-K graduates and their nonattending peers. Developmental Psychology, 56(11), 2027–2039. https://doi.org/10.1037/dev0001115

q3 · i? · associational · r?

The study examined pre-K benefits through the end of kindergarten for children from low-income homes in a large and diverse county (n = 2,581), reporting that "pre-K graduates outperformed nonattenders in the areas of achievement and executive functioning skills at the end of kindergarten."

"Results revealed that pre-K graduates outperformed nonattenders in the areas of achievement and executive functioning skills at the end of kindergarten"

Discussion

Learner Variables

Page metadata
Field Value
type claim
id pre-k-graduates-outperform-nonattenders-end-of-kindergarten
title Pre-K graduates outperform nonattending peers in achievement and executive functioning at the end of kindergarten
description Pre-K graduates outperform nonattending peers in achievement and executive functioning at the end of kindergarten
status review
evidence_strength moderate
newest_evidence 2020
source_checked 2026-10-20
generated by process:wiki-ingest on 2026-10-08
trust unverified — no one has confirmed this page's content
sources 1 — erik-ruzek-2020

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