Which of the Following Is the Most Distinctive Characteristic of Ethnomethodology

Which of the following is the most distinctive characteristic of ethnomethodology?

A) It measures the extent to which the conditions of an experiment adequately represent those of the world outside the boundaries of the experiment.
B) It emphasizes on the everyday,ordinary people's methods for producing order in their social worlds.
C) It measures the extent to which the researcher can be confident that an experiment's stimulus actually produced the observed effect or whether something else caused the effect.
D) It emphasizes on the planned discussions designed to elicit group interaction and "obtain perceptions on a defined area of interest in a permissive,nonthreatening environment."
E) It is a method of data collection that is designed to test hypotheses under controlled conditions.