Is the Collection of Interviewer Observations Worthwhile in an Economic Panel Survey? New Evidence from the German Labor Market and Social Security (PASS) Study | Survey Research Center

West, Brady Thomas; Kreuter, Frauke; Trappmann, Mark. (2014). Is the Collection of Interviewer Observations Worthwhile in an Economic Panel Survey? New Evidence from the German Labor Market and Social Security (PASS) Study. Journal of Survey Statistics and Methodology. 2(2), 159-181.