You want to assess the attitudes towards math by the students in your school district. you first divide the district into groups, in this case the twenty different high schools. we then randomly select five of the schools. this would conclude the first stage. in each school we then have natural groups of students (each math class would represent a group). so we randomly select five classes from each school. these are the students who we will sample. this is an example of what type of sample?

In writing about her findings in a brazilian shantytown, nancy scheper-hughes’s account of alto do cruzeiro provides a window into the terrible toll of nonconsensual organ harvesting among the poor, as well as how she herself changed over time. how might an anthropologist justify the publication of this ethnographic research when considering the problem of ethnographic authority? a. all of the poor must be given an equal voice, thus polyvocality is justification. b. anthropologists are themselves changed in fieldwork, and so honest reflexivity is justification. c. the horrific conditions made it impossible to ignore, and since she obtained informed consent, this is justification. d. authoritative writing asks us to consider what right we have to report, thus a moral challenge is justification.

Imperial crisis inflation invasion pax romana great schismtrade during the , roman generals warred over succession. these conflicts drew soldiers away from the frontier and made the empire vulnerable to

Discutati in perechi si decideti daca o persoana actionand singura poate sa influenteze atitudinea celor din jur fata de mostenirea culturala