"Manpower/ Personnel." . . . . "Interviewing." . . "Socioeconomic Characteristics." . . "United States" . . "United States." . "Federal Governments/ National Governments." . . "Estados Unidos" . . . . . . . . "Investigation of census bureau interviewer characteristics, performance, and attitudes : a summary" . . . . "Investigation of Census Bureau interviewer characteristics, performance, and attitudes a summary"@en . "Census data"@en . "Census data" . "Investigation of census bureau interviewer : Characteristics, perfomance, and attitudes a summary" . . "Investigation of Census Bureau interviewer characteristics, performance, and attitudes: a summary" . . "Investigation of Census Bureau interviewer characteristics, performance, and attitudes: a summary"@en . . . . . . . . . . . "Attitudes/ Opinions." . . "People by Occupations." . . "System Performance Measures." . . "Teaching/ Training/ Instruction." . .