Claims

UBC produced no significant effects on children's language, literacy, or socioemotional skills after two years

Claim · All claims
Evidence · 1 study · causal r2 · q3
Currency · newest study 2014 · 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.

q3 i? There were no significant effects of the UBC program on children's language, literacy or socioemotional skills at the end of kindergarten; effect sizes were near zero (e.g., vocabulary ES -0.07, letter-word identification ES 0.09). → Leyva 2014

Evidence

Leyva 2014

Leyva, D., Yoshikawa, H., Snow, C. E., Treviño, E., Rolla, A., Barata, M. C., & Weiland, C. (2014). Can we improve preschool classroom quality in Chile? A cluster-randomized trial evaluation of a professional development program. SREE Spring 2014 Conference abstract. https://eric.ed.gov/?id=ED562728

q3 · i? · causal · r2

Impact analysis on child outcomes (Table 3) assessed with the Woodcock-Muñoz Language Survey Revised Spanish Form and socioemotional rating scales, after two years of intervention. The article reports no significant effects; printed effect sizes were small (vocabulary -0.07, letter-word identification 0.09, early writing -0.03, prosocial behaviors 0.079, impulse control domain 0.161, the latter marginally significant).

"There were no significant effects of the UBC program on children’s language, literacy or socioemotional skills at the end of kindergarten."

Discussion

Learner Variables

Page metadata
Field Value
status review
generated by process:wiki-ingest on 2026-11-01
trust unverified — no one has confirmed this page's content

Frontmatter is the page's machine-readable record — see the Schema & Guide.