Random item generation is affected by age. Multani, N, Rudzicz, F, Wong, W., Namasvayam, A., & Lieshout, P V. Journal of Speech, Language, and Hearing Research, 2016.
Paper bibtex @article{FRJ19,
author = {N Multani and F Rudzicz and WYS Wong and AK Namasvayam and P Van Lieshout},
year = 2016,
title = {{Random item generation is affected by age}},
journal = {Journal of Speech, Language, and Hearing Research},
volume = 59,
number = {1172-1178},
url = {http://jslhr.pubs.asha.org/article.aspx?articleid=2565106}
}