This helps to standardize the method of study when ethnographic data is being compared across several groups or is needed to fulfill a specific purpose, such as research for a governmental policy decision.
Awen eqqal tadhilt i asibdad n immik n teɣare alwaq wa id isalan win ethnograph tan ogdahan daɣ taqqimen ajjotnen meɣ at war ha ag-ad ittus iyyan chund imuɣ i addabara n folitik tan alxakumat