In evaluating an ethnography, you should begin with three questions: What did e-p mean when he said anthropologists were doubly alienated? . And how might that lead to forms of objectivity, or ironic awareness: the nuer. What are the features of tribal political structures? (page 122) Measurement of structural time: according to event that are significant to the group, relative to structural space and are locally considered, there are usually 6 to 7 age sets in a community at one time according to ep. In other words, events mark time and they have a certain position is a social structure. The people with the older memories, the more authority you have (esp. men: historical time, ex: first age set keeping village area clean, the big things that have happened during our generation. There social and historical memories work about the same.