r – P.O.E.M.S.

POEMS framework helps tag video & image observations of user interactions.
The tags are criteria in five categories:

People
Environments
Messages
Services

Application of the POEMS framework

Benefits
The POEMS framework is not limited to solely being linear in time. Therefore, it is able to cross domains easier and sit as a piece in in a larger research framework.

Source: Kumar, V. & Whitney, P. (2003). Faster, Cheaper, Deeper User Research. Design Management Journal, Spring 2003, 50-57. Design Management Institute.
http://bauhaus.id.iit.edu/externalID/getdocument.php?id=141
http://www.id.iit.edu/703/