It's Because of this at times often called a "naturalistic" design; This really is in contrast to an "experimental" design (like a randomised controlled trial) in which the investigator seeks to exert Regulate about and manipulate the variable(s) of interest. In this context, proposed programs of motion are based https://simonyevsz.blog-eye.com/28961644/the-find-someone-to-do-case-study-diaries