Gosh I simply love role playing.  It's really exciting!
Do you know that changing of one's behaviour to assume a role of another is role playing?
Oh is that what it is?  What's a good example of role playing?
Oxford dictionary will answer your question. It says role playing is "the changing of one's behaviour to fulfill a social role"
Oh ok.  Is role playing something that has been around forever?
yes and have even lead to taking part in  games such as cops and robbers.
Oh I've heard a lot about role playing games, but never cops and robbers!
as doctor and act out those roles in character. Sometimes make believe adopts an oppositional nature, resulting in games such as cops and robbers.
Entertainment.
Historical re-enactment has been practiced by adults for millennia. The ancient Romans, Han Chinese, and medieval Europeans all enjoyed occasionally organizing events in which everyone pretended to be from an earlier age, and entertainment appears to have been the primary purpose of these activities. Within the 20th century historical re-enactment has often been pursued as a hobby.
Improvisational
Role-playing
Role-playing is the changing of one's behaviour to assume a role, either unconsciously to fill a social role, or consciously to act out an adopted role. While the "Oxford English Dictionary" offers a definition of role-playing as "the changing of one's behaviour to fulfill a social role", in the field of psychology, the term is used more loosely in four senses:
- To refer to the playing of roles generally such as in a theatre, or educational setting