Fidelity of implementation of early language curricula varies widely across teachers and studies¶
Claim · All claims
Evidence · 1 study (2 entries) · qualitativer2·q2
Currency · newest study 2021 · 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? Prior studies of pre-k language and literacy curricula report substantial variability in adherence (e.g., 76–82% average; 79–93% range; one study averaging 38% of core targets) and dosage (73% of intended lessons). → Tricia A. Zucker 2021
q2 i? Across the three Developing Talkers studies, total adherence improved to near 90% but dosage declined from 96.78% to 73.17% of lessons delivered between Studies 2 and 3. → Tricia A. Zucker 2021 (2)
Evidence¶
Tricia A. Zucker 2021¶
Tricia A. Zucker, Erin Jacbos & Snyder & Sonia Q. Cabell (2021). Exploring Barriers to Early Childhood Teachers' Implementation of a Supplemental Academic Language Curriculum. Early Education and Development. https://doi.org/10.1080/10409289.2020.1839288
q2 · i? · qualitative · r?
Narrative synthesis of prior fidelity studies reported in this article's literature review; it attributes findings to Piasta et al. (2015), Justice et al. (2009), and Dickinson (2011), noting one study's low FOI was a possible explanation for lack of significant student impacts.
"In early childhood settings, Piasta et al. (2015) examined teacher FOI of a pre- kindergarten (pre-k) language and literacy curriculum and found substantial variability in adherence to components of each lesson, averaging 76–82% adherence."
Tricia A. Zucker 2021 (2)¶
Tricia A. Zucker, Erin Jacbos & Sonia Q. Cabell (2021). Exploring Barriers to Early Childhood Teachers' Implementation of a Supplemental Academic Language Curriculum. Early Education and Development. https://doi.org/10.1080/10409289.2020.1839288
q2 · i? · qualitative · r2
Summary of adherence, dosage, and satisfaction data across the three Developing Talkers studies (Table 4); the article notes considerable heterogeneity in lessons implemented in Study 3 (M = 122.20, SD = 34.96) while teacher satisfaction stayed high (Range = 3.32 to 3.78 on a 4-point scale).
"Dosage declined substantially from the second study's high level of 96.78% to third study with only 73.17% of lessons delivered."
Discussion¶
Related Claims¶
- Teachers adhered less to scaffolding than to fully scripted curriculum components across three studies — a narrower finding that bears on this claim
- Personalized Learning Effects Vary With Fidelity — related
- The quality of evidence about technology effectiveness varies widely across information sources — related
- Practitioners identified classroom complexities and fidelity-of-implementation variability as considerations experimental research should account for beyond causal effects — related
- In five scaled early learning coaching systems, coach-to-site ratios averaged about 1 coach per 22 sites, dosage varied widely, and participants perceived benefits in educator satisfaction, practice, and program quality — related
- School mindfulness programs show high acceptability among students and teachers, but home practice adherence is low — related
- Perceived teacher support differed substantially across the six Scrum-implementing teachers, providing the fidelity check that split the experimental group into top-teachers and growth-teachers. — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
wide-variability-foi-early-language-curricula |
title |
Fidelity of implementation of early language curricula varies widely across teachers and studies |
description |
Fidelity of implementation of early language curricula varies widely across teachers and studies |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2021 |
generated |
by process:wiki-ingest on 2026-09-27 |
trust |
unverified — no one has confirmed this page's content |
sources |
2 — tricia-a-zucker-2021, tricia-a-zucker-2021-2 |
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