
Tech Talks Daily Synthetic Research Explained: A Powerful Tool To Support, Not Replace, Human Insight
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Mar 29, 2026 Jordan Harper, Senior Principal Thought Leader at Qualtrics with a physics and tech background, explains synthetic research and synthetic audiences. He breaks down what synthetic panels are and are not. He discusses validation versus human data, how wording shapes responses, and when synthetic approaches are best used alongside real people.
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LLM Trained On Survey Responses Mimics Human Messiness
- Synthetic panels simulate how humans answer surveys by training an LLM on millions of real survey responses.
- Qualtrics spins up a unique LLM instance per synthetic respondent that walks through the survey and returns row-level responses mirroring human distributions.
Synthetics Reveal Different Signals By Lacking Human Bias
- Synthetic respondents avoid common human survey biases like social desirability and priming, producing different signal than humans.
- Example: priming about smartphones shifted human cohorts but synthetics produced a fuzzy, non-directional distribution instead.
Generic LLMs Give Overconfident, Stereotyped Results
- Generic LLMs like ChatGPT mean-revert to stereotypical answers and lack human-like response distributions.
- In tests ChatGPT answered 'yes' to climate change nearly 100% of the time, whereas the tuned model matched human distribution.
