Trial Design Acceptability

Risks & contraindications

Comparisons

Highlighted claims

• Equipoise was challenged because the intervention had already been operating and caseworkers believed it was effective. — A pilot randomised controlled trial of a critical time intervention for people leaving prison: findings from an integrated process evaluation
• Different usual-care contexts across England and Wales made a consistent control condition difficult to define. — A pilot randomised controlled trial of a critical time intervention for people leaving prison: findings from an integrated process evaluation
• Individual-level randomisation was chosen to avoid contamination and because cluster randomisation would need larger sample sizes. — A pilot randomised controlled trial of a critical time intervention for people leaving prison: findings from an integrated process evaluation
• Caseworkers viewed randomisation as unethical because they saw control allocation as denying vulnerable people support. — A pilot randomised controlled trial of a critical time intervention for people leaving prison: findings from an integrated process evaluation