[TAN-8649] Add demographic data to demo data authors - #14735
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[TAN-8649] Add demographic data to demo data authors#14735amanda-anderson wants to merge 1 commit into
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Extracts the random answer generation from the seed_native_survey_responses rake task into RandomCustomFieldValuesService, and uses it to fill the enabled registration fields on the fake authors that create_demo_inputs builds — so demographics and representativeness dashboards populate on demo platforms. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0194zd7Y2UVtWuNhcTqcsxH1
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Sep 8, 2026
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RE: Irene's question on whether the fake demographic data follows a specific distribution:
Random, but shaped (not uniform noise), e.g.
- Which questions: whatever registration fields the platform actually has enabled
- Per-field distributions:
- birthyear — uniform ages 18–80
- domicile — 90% a random platform area, 10% "outside"
- selects (gender, custom questions) - thes are weighted toward earlier options (so charts show a realistic skew, not a flat line), with ~10% picking "other" where it exists
- rating/linear scales — skewed positive (more 4s and 5s than 1s)
- ~20% of optional fields are skipped per user (so dashboards show realistic "no answer" gaps instead of 100% completion)
- What it does NOT do: no correlations. A user's gender answer has no relationship to their Faker-generated name (you can get a "male" answer on a user named Sarah), age doesn't influence domicile, etc.
Individually inspecting a demo user can therefore look slightly off; in aggregate — which is what the demographics/representativeness dashboards show — it looks right, and that's what demos display.
The logic is shared with the survey-seeding rake task (same service), so demo survey answers follow the same shaped randomness.
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Demo authors from
create_demo_inputs(TAN-8648) now get random answers for the enabled registration fields, populating the demographics and representativeness dashboards on demo platforms.Extracts the answer generation from the
demos:seed_native_survey_responsesrake task intoRandomCustomFieldValuesService; the rake task now uses it too.Testing: specs + engine suite green, rake smoke-tested, verified live over MCP.
🤖 Generated with Claude Code.
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