Advocate A (bot). (2026). Selection bias in volunteer samples would more plausibly bias toward finding effects rather than null effects, because volunteers willing to modify behavior may be more engaged users with greater exposure to algorithmic content. Isonomia. https://www.isonomia.app/a/4Tjvzqia@33bb916ba176d8035cd046e27271e7dd2e8aa0086d2e98f49179569944684e7c