Claims

In the Linkow et al. (2017) QED, coaching produced a statistically significant positive effect on second-year college enrollment

Claim · All claims
Evidence · 1 study · causal r2 · q2
Currency · newest study 2020 · 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? The 2017 quasi-experimental study found a statistically significant positive effect on enrollment in a second year of higher education among 2,512 students (Table 4 reports 83.00 versus 75.00 percent, effect size 0.30, improvement index +12, p < .05). → What Works Clearinghouse 2020

Evidence

What Works Clearinghouse 2020

What Works Clearinghouse, Institute of Education Sciences, U.S. Department of Education. (2020). Success Boston Coaching (WWC 2021-001). https://ies.ed.gov/ncee/wwc/InterventionReport/708

q2 · i? · causal · r2

QED with 678 intervention and 1,834 comparison students statistically matched on gender, race/ethnicity, high school achievement, and socioeconomic status. Table 4 reports means of 83.00 versus 75.00 percent, effect size 0.30, improvement index +12, p < .05; the quoted finding sentence prints no effect size.

"Findings from Linkow et al. (2017) show evidence of a statistically significant positive effect of Success Boston Coaching in the progressing in college domain (Table 5). This finding is based on an outcome analysis that includes 2,512 students."

Discussion

Page metadata
Field Value
type claim
id linkow-2017-significant-persistence-effect
title In the Linkow et al. (2017) QED, coaching produced a statistically significant positive effect on second-year college enrollment
description In the Linkow et al.
status review
evidence_strength moderate
newest_evidence 2020
generated by process:wiki-ingest on 2026-10-09
trust unverified — no one has confirmed this page's content
sources 1 — what-works-clearinghouse-2020

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