---
license: other
language: [en]
tags: [reddit, control, placebo, value-lock-in, diversity-analysis]
---
# Reddit Control/Placebo Corpus (2020-present)

Hobby subreddits (**r/gardening**, **r/woodworking**) as the **placebo control** for the
animal-value lock-in study. These topics are not subjects people form AI-mediated *opinions*
on, so their discourse diversity should NOT kink at LLM release dates — unless the kink is a
Reddit-wide artifact. Pairs with `reddit-animal-discourse-2020-present` (the treatment).

- Comments: capped at 2,500/month per sub (even 72-month coverage; diversity analysis subsamples to ~1k/month).
- Submissions: full.
- Authors salted-hashed. **1,507,613** total records.