LIWC Research Series:
This authors demonstrate two approaches to examining the expression of depression on the Internet. Study 1 observed linguistic markers of depression in English and Spanish forums. Study 2 analyzed the themes people use when talking about their depression in forums in English and Spanish.
Ramírez-Esparza, Nairán & Chung, Cindy & Kacewicz, Ewa & Pennebaker, James. (2008). The Psychology of Word Use in Depression Forums in English and in Spanish: Testing Two Text Analytic Approaches. ICWSM 2008 - Proceedings of the 2nd International Conference on Weblogs and Social Media.