Claims

Assignment to BookNook tutoring produces a small but statistically significant increase in reading growth on the NWEA MAP for grade 1-4 students

Claim · All claims
Evidence · 1 study · causal r2 · q3 · i1 small
Currency · newest study 2023 · 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 i1 In a cluster-randomized study across six Rocketship public charter schools, cohorts assigned to BookNook demonstrated significantly more reading growth than the control group on the NWEA MAP after 12 weeks (ES = +0.05). → BookNook: Evidence Rating Strong 2023

Evidence

BookNook: Evidence Rating Strong 2023

BookNook: Evidence Rating Strong. (2023). https://www.booknook.org

q3 · i1 · causal · r2

Cluster-randomized study in six Rocketship public charter schools in Northern California; cohorts of first through fourth grade students randomly assigned within grades. The final sample included 1,777 students (n=959 treatment, 818 control), and the treatment group showed significantly more growth than the control group on the NWEA MAP, with a printed effect size of ES = +0.05.

"After 12 weeks, students in cohorts assigned to receive BookNook demonstrated significantly more growth than the control group on the NWEA MAP (ES = +0.05), qualifying BookNook for a “Strong” rating."

Discussion

Page metadata
Field Value
type claim
id booknook-small-positive-map-reading-growth
title Assignment to BookNook tutoring produces a small but statistically significant increase in reading growth on the NWEA MAP for grade 1-4 students
description Assignment to BookNook tutoring produces a small but statistically significant increase in reading growth on the NWEA MAP for grade 1-4 students
status review
evidence_strength moderate
newest_evidence 2023
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 1 — booknook-evidence-rating-strong-2023

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