An anthropologist is sitting in the town square in a bolivian village watching a group of women who are chatting. one wanders over and asks the anthropologist if she would like to join them in shopping for thread for their looms and then help to string the looms. she agrees, and they go off together. this form of research is called
This website has information on forms of Human observation to be pretty broad. It doesn't have anything specific with Bolivian villagers or there looms.