@article{Jäckle2010,
author = {Jäckle, A. and Roberts, C. and Lynn, P.},
title= {Assessing the effect of data collection mode on measurement},
year = {2010},
doi = {10.1111/j.1751-5823.2010.00102.x},
volume = {78},
number = {1},
pages = {3--20},
}