CNT // Country / Economy 3-letter CodeCountry / Economy (ISO 3166 alpha-3)
ISO alpha-3 country/economy code
| dataset | pisa2022 · PISA 2022 Student Questionnaire |
| type | categorical |
| role | control |
| data file | stu |
| keywords | country |
| dataset | variable | label | type |
|---|---|---|---|
| dhs | v000 | Country Code and Phase | identifier |
| ess10 | cntry | Country | categorical |
| eusilc2022 | DB020 | Country | categorical |
| imf_macro | country_code | 国家代码 | identifier |
| oecd_macro | REF_AREA | 国家/地区代码 | identifier |
| share_w8 | country | Country | categorical |
| worldbank_wdi | country_code | 国家 ISO3 代码 | identifier |
| worldbank_wdi | country | 国家/经济体名称 | categorical |
| wvs7 | B_COUNTRY | Country | categorical |
| Socioeconomic gradient in math achievement | control |
| Math anxiety and math performance | control |