세계 가치관 조사
위키백과, 우리 모두의 백과사전.
- The interactive database allows querying of approx. 400 variables (January 2006), but the website itself says that the database covers 800 variables. It is possible that many of these variables were no longer tracked after the second wave, when the number of questions dropped from 379 to under 250. See WVS website for details.