| { |
| "dataset": "TIMSS 2019 (IEA)", |
| "source": "https://timssandpirls.bc.edu/timss2019/international-database/", |
| "access": "FREE but requires website navigation to download", |
| "scale": "300-500K students, 150-200 items per subject, 60+ countries", |
| "files": { |
| "BSA*.sav (Achievement)": { |
| "IDCNTRY": "Country", |
| "IDSTUD": "Student", |
| "IDBOOK": "Booklet", |
| "M071001...": "Math item scores (0/1/2/6/7/8/9)" |
| }, |
| "BSG*.sav (Background)": { |
| "ITSEX": "Gender (1=Girl,2=Boy)", |
| "BSBG04": "Books at home (SES proxy)", |
| "BSDGLCNT": "Language at home" |
| } |
| }, |
| "has_demographics": true, |
| "has_item_responses": true, |
| "has_selected_answer": false, |
| "has_question_text": "PARTIAL ~30-50% in separate PDFs only" |
| } |