@book{Olson2020,
author = {Olson, K. and Smyth, J.D.},
title= {What do interviewers learn? Changes in interview length and interviewer behaviors over the field period},
year = {2020},
doi = {10.1201/9781003020219-26},
URL = {https://doi.org/10.1201/9781003020219-26.},
address = {New York},
publisher = {Chapman and Hall/CRC},
}