What Adults Will (and Won't) Do to Prove Their Age: Study Artifacts

Research artifacts for 'What Adults Will (and Won't) Do to Prove Their Age: Empirical Evidence from a Deceptive Web Experiment' (USENIX Security 2026), a user study examining how different age verification methods affect adults' decisions to access age-restricted content (n = 1,635). This repository contains: experiment-software/: Web application used to administer the study, including the AgeGuardian age verification interface and study site survey-data-and-analysis-code/: Anonymized experiment and survey data with analysis code (R and Python) full_appendix.pdf: Full appendix including participant demographics, complete statistical results, website interfaces, AgeGuardian interface screenshots for all seven age verification conditions, recruitment ad designs and targeting parameters, the survey instrument, and the qualitative codebook study_flow.mov: Demo video showing the web experiment flow survey_and_codebook.pdf: Survey instrument and qualitative codebook (also included in the full_appendix.pdf) website_interfaces_and_ads.pdf: Website interfaces, ad targeting keywords, and audience insights (also included in the full_appendix.pdf)