The document discusses the General Social Survey (GSS), conducted by the National Opinion Research Center, which employs a structured interview schedule to gather data annually since 1972 and biennially since 1994. It highlights the wide range of variables measured, including behaviors and attitudes on topics such as drinking, religion, and social issues, with some questions appearing in multiple surveys while others are unique to single instances. The document invites readers to explore GSS archives to analyze specific variables and questions for their validity and clarity.