Motivational deficits differentially predict improvement in a randomized trial of self-system therapy for depression
Journal of Consulting and Clinical Psychology (2015) - Comment
pubmed: 25867448  doi: 10.1037/a0039058  issn: 1939-2117  issn: 0022-006x 

Kari M. Eddington, Paul J. Silvia, Tamara E. Foxworth, Ariana Hoet, Thomas R. Kwapil