Wuyts, Celine, and Geert Loosveldt. “Observing Interviewer Performance in Slices or by Traces: A Comparison of Methods to Predict Interviewers’ Individual Contributions to Interviewer Variance”. Survey Research Methods 16, no. 2 (August 10, 2022): 147–163. Accessed July 25, 2024. https://ojs.ub.uni-konstanz.de/srm/article/view/7672.