Ladders to Literacy¶
Product or Programme · All products and programmes
Evidence · 5 claims (3 for, 2 mixed) · 1 study (1 quant-synthesis),q3· 1 of 1 report an effect size · 5 claims rest on one study
Description¶
A supplemental kindergarten literacy curriculum developed by Notari-Syverson, O’Connor, and Vadasy and published by Sopris West, with activities targeting print awareness, phonological awareness, and oral language.
Components¶
Claims¶
- Ladders to Literacy shows mixed effects on comprehension, with no statistically significant vocabulary effects in any study despite an average improvement index of +9 [~W]
- No studies meeting WWC evidence standards addressed general reading achievement for Ladders to Literacy [~W]
- Ladders to Literacy shows potentially positive effects on alphabetics, with an average improvement index of +25 percentile points and a domain average effect size of 0.69 [+W]
- Ladders to Literacy shows potentially positive effects on fluency based on a single non-significant finding with an effect size of 0.72 and an improvement index of +26 [+W]
- Segmentation is the only alphabetics outcome the WWC confirmed statistically significant across multiple studies [+W]
Related Products and Programmes¶
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Key Sources¶
- What Works Clearinghouse, U.S. Department of Education. (2007). Ladders to Literacy for Kindergarten Students. WWC Intervention Report. https://ies.ed.gov/ncee/wwc/InterventionReport/259
Page metadata
| Field | Value |
|---|---|
type |
product |
id |
ladders-to-literacy |
title |
Ladders to Literacy |
description |
A supplemental kindergarten literacy curriculum developed by Notari-Syverson, O’Connor, and Vadasy and published by Sopris West, with activities targeting print awareness, phonological awareness, and oral language. |
status |
review |
moved_from |
element/ladders-to-literacy-kindergarten-activity-book |
product_kind |
curriculum |
generated |
by process:sweep-kinds on 2026-10-10 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — what-works-clearinghouse-2007 |
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