Case and leading or trailing spaces are ignored for source and subject. Matches are candidates for manual review.
Data integrity / Research operations lead
Duplicate Fingerprint
Match potential duplicate observations using the exact source, subject and day.
01 / Inputs
Working sheet
Edit any cell to recalculate. Use anonymous references. Data stays in this browser tab and clears when you reload.
| Record ID | Source | Subject code | Observed day | Row |
|---|
02 / Review
Decision sheet
| Source and subject | Day | Records | Action |
|---|---|---|---|
| Interview / A-08 | 2026-10-21 | R1, R2 | Check duplicates |
| Survey / A-08 | 2026-10-21 | R3 | Distinct |
Scope a research sprint
€99 for one agreed segment, three approved evidence items and an interview guide.
The free tool runs independently on your device.