[header] How to understand people [title] Recognize different personality types. You will be able to understand people better if you evaluate what type of personality they seem to have. [step] Figuring out what type of person they are will help you understand why they say and do certain things. 
[substeps] It will also help you understand how to interact with them in a way that works for both of you (or to your advantage). There are several different theories of personality, many of which have years of research supporting them.