Hmm... If for psychology, then I think we should look first for work Ostapenko R. I. - Mathematical principles of psychology - 2010 - Voronezh state University psychological. Since I'm not a psychologist, I can't evaluate it objectively, but it seems quite normal and simple. Also pay attention to the area of social forecasting and statistics.
If not for work in the field, then just search "How to become a programmer?", well, on a seed recent question about IT books