Threat
Duplicate Survey Respondent Detection Across Suppliers
Duplicate respondents are the quiet quota killer. Cookie dedupe died years ago. Maxna links device, network, and identity signals within a project and across suppliers so the same actor cannot convert on Partner A and Partner B in the same field.
Why Maxna is different
Other platforms score the respondent. Maxna scores the respondent and the response.
Device IDs, bots, VPNs, and duplicates are necessary. They are not enough. A real device can still paste ChatGPT into every open-end. Maxna's proprietary AI grades what people type - so sample integrity is both who they are and what they say.
Respondent quality
Where most tools stop
- Device fingerprinting and environment risk
- Bots, scripts, and click farms
- VPN / proxy and geo mismatch
- Duplicates and professional respondents
Response quality
Maxna's proprietary AI layer
- AI-written and synthetic open-ends
- Low-effort and copy-paste answers
- Cross-question consistency
- Open-end scoring before the complete is paid
See the platform, AI response detection, or compare Maxna to other tools.
Definition
What threat means in practice
Duplicate detection identifies the same person attempting a study more than once - new browser, new panel ID, new device, same human. Cross-supplier duplication is the version that wrecks blended sample. Maxna treats it as a core respondent-quality control.
Why it matters
What breaks if you skip this layer
Blends hide hoppers
Each supplier’s own dedupe cannot see the other supplier’s IDs.
Incidence gets double-burned
You pay twice and still have one person’s opinion.
Duplicates also paste AI
Response quality still runs - hoppers often automate the words too.
Signals
What Maxna looks at
Respondent quality first. Response quality with proprietary AI whenever the threat lives in the answers.
Device graph
Probabilistic environment matching, not a brittle cookie.
Network and geo
Same provenance claiming to be a new person.
Behavioral reuse
Identical pacing and answer skeletons across IDs.
Implementation
How teams deploy this
Dedupe inside the study
Baseline on every Maxna tier.
Link across suppliers
Deeper on Aether when blends are the product.
One ID in, one decision out
Your router still sees a single trans_id and a pass/fail status.
Platform-specific walkthroughs live in integrations. Tiers are on pricing.
Limitations
False positives and honest boundaries
Integrity software that cannot admit uncertainty is not trustworthy.
Shared households are real
Two people on one network should not automatically fail. Linking is probabilistic and combined with other signals.
FAQ
Questions buyers actually ask
Does Maxna replace RelevantID-style dedupe?
Maxna includes device and duplicate linking as part of respondent quality. You should not need a separate fingerprint ID product for the same job.
Can duplicates still happen?
Determined actors try. Multi-signal linking plus response scoring is harder to evade than a cookie or a single ID.
See respondent + response quality on your traffic.
We’ll walk the gate against your sources - not a generic bot demo.
Talk to us