The cost analysis suggests the ERWC is a modest investment whose upfront development and training costs become insignificant over time¶

Claim · All claims
Evidence · 1 study · causal r2 · q2
Currency · newest study 2022 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? The ingredients-method cost analysis suggests the ERWC is a modest investment, with upfront curriculum development and teacher training investments becoming insignificant over time. → Fong 2022

Evidence¶

Fong 2022¶

Fong, A., Porterfield, A., Skjoldhorne, S., & Hadley, L. (2022). Expanding the Expository Reading and Writing Curriculum: An evaluation of an Investing in Innovation Validation grant. WestEd. https://www.wested.org/resources/expanding-the-erwc-evaluation/

q2 · i? · causal · r2

Cost analysis using the ingredients method, in which researchers identified all necessary resources, assigned each a quantity and market price, and calculated an estimated total cost from administrative and financial datasets, survey data, and purchase documents. No cost figures or effect sizes are printed in the quoted summary finding.

"The cost analysis suggests that the ERWC is a modest investment, and upfront investments in curriculum development and teacher trainings will become insignificant over time."

Discussion¶

Related Claims¶

• PROMISE service costs represented relatively large investments — related
• Teachers reported pacing demands, student struggles with rigor, and technology impediments as factors hindering ERWC implementation — related
• Most study teachers received all ERWC materials and sufficient professional learning: 82.1 percent met professional-learning thresholds and all 56 received materials — related
• Integrating cognitive apprenticeship methods in a Web-based course required a significant and largely unbounded instructor time investment — related
• Washington, DC's PEF sustained a positive social return on investment of 21 percent in FY 2024, similar to 23 percent in FY 2023 — related
• Most ERWC teachers completed required professional learning (82-99 percent), but only 0-3 percent taught the curriculum with fidelity across the three study years — related
• Teachers viewed the ERWC 3.0 as an improved curriculum that promoted high student engagement and supported students' academic and personal growth — related