In the medical field, it can be used to refer to the study of handwriting as an aid in diagnosis and tracking diseases. size. large letters. You are out-going, people oriented, outspoken & love attention. This can also mean that you put up a front and pretend to have a lot of confidence.raphology. Graphology is the study of handwriting, especially when employed as a means of analyzing a writer's character, personality, abilities, etc. How you write can indicate more than 5,000 different personality traits.