Infant mental health services for birth and foster families of maltreated pre-school children in foster care (BeST(?)): a cluster-randomized phase 3 clinical effectiveness trial.

Name: Αlpha¹ Rigor Record — Infant mental health services for birth and foster families of maltreated pre-school children in foster care (BeST(?)): a cluster-randomized phase 3 clinical effectiveness trial.
Item: Infant mental health services for birth and foster families of maltreated pre-school children in foster care (BeST(?)): a cluster-randomized phase 3 clinical effectiveness trial.
Rating: 59
Author: Αlpha¹

Crawford K, Young R, Wilson P, Deidda M, Forde M, Millar S, McConnachie A, Boyd K, McIntosh E, Ougrin D, Henderson M, Gillberg C, Kainth G, Turner F, Sonuga-Barke EJS, Fitzpatrick B, Minnis H

Paper source

Read full text (PMC)

Embed this Rigor badge

Αlpha¹ Rigor Review — 3.5★ (Adequate), 0 critical, 3 high issues for “Infant mental health services for birth and foster families of maltreated pre-school children in foster care (BeST(?)): a cluster-randomized phase 3 clinical effectiveness trial.”

Links back to this Rigor Record.

Αlpha¹ Editorial

This rigor review was examined and confirmed by Αlpha¹ Editorial · August 15, 2026

Αlpha¹ Rigor Review

Rigor Reviewed

3.5 / 5

Adequate — real issues to address

Interventional Study

Critical

High-priority

How this rating was calculated▸

Started at 5★ — deductions

IntegrityIntegrity concern ×2−1★
StatisticsStatistic did not reproduce−0.5★

Model-reported confidence: highReviewer agreement: highEngine: 7.39.0Source: full text

Not verified in this report

The numeric-impossibility checks (GRIM/GRIMMER/DEBIT/SPRITE) did not run: 12 reported means were read, and their group size is not stated where the values are printed (this source has no machine-readable table structure). These checks need the count the mean was averaged over, so none was performed.

Problems surfaced2 types

Numerical inconsistencies2

Values that contradict each other or are impossible for the stated sample: recomputed p-values and test statistics, GRIM/GRIMMER checks on summary numbers, percentages against their own counts, totals against their parts, and estimates against their own confidence intervals.

Summary statistic impossible for the stated N (GRIM/GRIMMER)Recomputed
Internal contradictions in the reported numbersAssessed

This Αlpha¹ Rigor Review uses AI Rigor Reviewers trained on a curated corpus of high-fidelity and retracted papers, with expert supervision and curation. It can still make mistakes; verify each finding against the source before relying on it.

This is a well-conducted and transparently reported cluster-randomized trial of a complex intervention (NIM) versus services as usual for maltreated pre-school children in foster care. The design, statistical methods, and reporting are rigorous, with only minor reporting gaps (explicit regulatory compliance statement, code sharing) and a few copyedit inconsistencies.

Both reviewers classified the study as interventional (cluster-randomized trial); no divergence. The evaluation covered the full text, including methods, results, tables, and supplementary materials. Non-applicable sub-criteria (e.g., animal housing, cell lines) were excluded. The statistics verification covered only a subset of reported tests (5 tests; 4 consistent, 1 inconsistent but unspecified); the absence of a GRIM finding is not a check that passed. Citation verification found no retracted or unresolved references.

6 major claims checked against the paper's own evidence: all adequately supported.

Recomputed 4 tests: 4 consistent, 0 inconsistent; 4 via agent-written checks. 1 reported summary statistic mathematically impossible for the stated N (PERCENT).

2 integrity concerns flagged (0 high).

Reporting

Eight Dimensions8 pass

The introduction cites prior research on early intervention, foster care mental health, and the limited success of previous trials. It identifies a gap: only one multimodal intervention (NIM) targeting both birth and foster families was found. The rationale for the trial is clearly linked to this gap, and the paper acknowledges limitations of prior work (e.g., small effect sizes, focus solely on foster families).

Sub-criteria

prior work citedADEQUATE

premise rationaleADEQUATE

limitations addressedADEQUATE

Per reviewer (2) — the votes behind the verdict

PASSReviewer 1· 90% conf

The paper establishes a clear scientific premise with extensive prior work cited, a logical rationale, and acknowledgment of limitations in prior research.

Evidence

paraphrase[Introduction, paragraphs 1-3]

“Although it is well known that intervening early in a child’s life is likely to be more effective than intervening later, trials of interventions with struggling families to support the development of their children and prevent child maltreatment have had limited success.”

direct quote[Introduction, paragraph 4]

“We found only one intervention aiming to improve the mental health of infants and young children placed in foster care through such a multimodal approach.”