Karen is using "ethnomethodology".
Ethnomethodology refers to the study of how individuals utilize social collaboration to keep up a progressing feeling of reality in a circumstance. To assemble information, ethnomethodologists depend on conversation investigation and a thorough arrangement of procedures for deliberately watching and recording what happens when individuals interface in normal settings. It is an endeavor to arrange the moves individuals make when they are acting in gatherings.
Ethnomethodology gives methods which have been utilized in ethnographic investigations to create records of individuals' strategies for arranging ordinary circumstances.