Stefan L. Pauwels, Christian Hübscher, Stefan Leuthold, Javier A. Bargas-Avila, Klaus Opwis. Error prevention in online forms: Use color instead of asterisks to mark required-fields. Interacting with Computers, 21(4):257-262, 2009. [doi]
@article{PauwelsHLBO09,
title = {Error prevention in online forms: Use color instead of asterisks to mark required-fields},
author = {Stefan L. Pauwels and Christian Hübscher and Stefan Leuthold and Javier A. Bargas-Avila and Klaus Opwis},
year = {2009},
doi = {10.1016/j.intcom.2009.05.007},
url = {http://dx.doi.org/10.1016/j.intcom.2009.05.007},
researchr = {https://researchr.org/publication/PauwelsHLBO09},
cites = {0},
citedby = {0},
journal = {Interacting with Computers},
volume = {21},
number = {4},
pages = {257-262},
}