There may be some debate within the field of psychology and beyond of exactly what a subdiscipline is. Is it a genre, a division, or something completely independent, of its own? This is a good question pertaining to both the educational and vocational aspects of the field. Allow me to answer this question for you by going in depth of various confirmed subdisciplines along with emerging subdisciplines existing within the broader field among other major topics. In addition to answering the question of what a subdiscipline of psychology is, I will provide information on psychological testing and measurement in addition to a general overview of psychology.