Why we can say "5" ? If you are experienced researcher, 15 will be too many for most of project. Actually there is another reason from the other side: the client.
Persona is a tool to understand users and to make a model from it. So as a tool, it should be effective. Once we had 4 major personae. When we add more, we couldn't remember all persona's name often. Yes, it's the magic number. 10 personae will be hard to remember than 5 for your client and you. So 5 can be more effective than 15 in general. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Posted from the new ixda.org http://www.ixda.org/discuss?post=49443 ________________________________________________________________ Welcome to the Interaction Design Association (IxDA)! To post to this list ....... [email protected] Unsubscribe ................ http://www.ixda.org/unsubscribe List Guidelines ............ http://www.ixda.org/guidelines List Help .................. http://www.ixda.org/help
