I became interested in Mathematical Psychology after studying the work of two Israeli Psychologists, Amos Tversky and Daniel Kahneman after being taught about Prospect Theory in and the statistics behind human decision making. While Mathematical and Quantitative Psychology are rightfully considered upper level topics, I believe that a study of the topics are beneficial to those interested in statistics in Psychology, even if they are not pursuing post-Doctoral research positions. Decisions based on statistics rather than emotion tend to be better in the long term, especially in the area of finance. I would encourage reading of The Undoing Project, by Michael Lewis, which is a book on Amos Tversky and Daniel Kahneman pertaining to the intersection of mathematics and psychology.