Audit-Protected Performance Measurement

Download image · 1200 × 630 PNG

In Simple Words

Imagine a classroom exam where students know that random answer sheets will be double-checked by independent outside inspectors; unpredictable audits prevent students from cheating or making fake arrangements with graders.

Surveyed households in Sierra Leone

No close tie to health worker
Comparison group
Friends or relatives of worker
No clear difference in reported visits

Observed comparison in the audited study. This check does not prove that audits eliminated collusion or fabricated reports.

See source →

Research question

Public sector performance evaluation based on beneficiary surveys or worker self-reports risks metric manipulation, output inflation, and worker-client collusion.

Participants

N = 2,009 Community Health Workers and primary female caregivers across 10% of households in 372 Peripheral Health Units in Sierra Leone.

Study Design

Randomized field trial incorporating weekly unannounced back-checks by independent field monitors across a random 25% subset of surveyed households via phone or in-person visits.

Results

Unannounced third-party auditing prevented data fabrication, yielding verified performance data showing no statistically significant difference in reported visit rates between socially connected households (friends/family) and non-connected households (p = 0.439).

Takeaway

Implement mandatory unannounced third-party audit back-checks on a random 25% sample of performance evaluation data to eliminate collusion and reporting bias.

Source and citation

See source →

Read alongside the research

Plain-English glossary

Original explanations, informed by the references below. Examples are illustrations, not data from the studies above. The research text stays unchanged.

Statistically significant

A label used when a result passes a chosen statistical threshold, often p < 0.05. It does not show how large or useful an effect is. A result that is not statistically significant does not prove there is no effect.

ExampleA study reports p = 0.03 against a 0.05 threshold. It passes that test, but the effect could still be too small to matter.

American Statistical Association · Statement on p-values ↗Read more about statistically significant →

Related findings