I-BEST has positive effects on industry-recognized credential, certificate, or license completion (improvement index +18 across three studies)¶
Claim · All claims
Evidence · 2 studies · 2 quant-synthesisr2·q4·i2medium
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.
q4 i2 Across three studies meeting WWC standards (44,367 students), I-BEST increased industry-recognized credential, certificate, or license completion, with an average effect size of 0.48 and improvement index of +18. → cred-1
Evidence¶
cred-1¶
What Works Clearinghouse, Institute of Education Sciences, U.S. Department of Education. (2020, September). Integrated Basic Education Skills and Training (I-BEST). https://ies.ed.gov/ncee/wwc/InterventionReport/706
q4 · i2 · quant-synthesis · r2
WWC synthesis of three studies (two RCTs meeting standards without reservations, one QED with reservations) covering 44,367 students. The outcome average effect size was 0.48 with improvement index +18; each study's credential effect was statistically significant (p <.01).
"Based on findings from the three studies that meet WWC standards, the effectiveness rating for the industry-recognized credential, certificate, or license completion domain is positive effects, indicating strong evidence of a positive effect with no overriding contrary evidence. These findings are based on 44,367 students."
cred-2¶
What Works Clearinghouse, Institute of Education Sciences, U.S. Department of Education. (2020, September). Integrated Basic Education Skills and Training (I-BEST). https://ies.ed.gov/ncee/wwc/InterventionReport/706
q4 · i2 · quant-synthesis · r2
In the Glosser et al. (2018) RCT, 33.5% of the intervention group versus 18.2% of the comparison group received a credential from any source, an effect size of 0.49 and improvement index +19, p <.01, based on 424 students.
"Received a credential from any source (%) (Glosser et al., 2018)a Full Sample 424 33.5 18.2 15.3 0.49 +19 <.01"
Discussion¶
Related Claims¶
- Project QUEST is likely to increase industry-recognized credential, certificate, or license completion (improvement index +15, two studies, 1,301 students) — related
- Year Up may result in little to no change in industry-recognized credential, certificate, or license completion — related
- Job Corps has potentially positive effects on completing school: more youth without credentials earned a diploma or GED — related
- Year Up may result in little to no change in medium-term earnings — related
- Project QUEST may decrease postsecondary degree attainment (improvement index -3, two studies, 1,301 students) — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
ibest-positive-effects-credential-completion |
title |
I-BEST has positive effects on industry-recognized credential, certificate, or license completion (improvement index +18 across three studies) |
description |
I-BEST has positive effects on industry-recognized credential, certificate, or license completion (improvement index +18 across three studies) |
status |
review |
evidence_strength |
strong |
newest_evidence |
2020 |
generated |
by process:wiki-ingest on 2026-10-09 |
trust |
unverified — no one has confirmed this page's content |
sources |
2 — cred-1, cred-2 |
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