Professional organizations that controlled how their industry operated and protected their members' interests against outsiders were called

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

Why is cheating in college wrong? expecting a good answer about it a good opinion. you.

Atraffic cop has pulled over a speeder, only to discover that he has stopped a close friend. the police officer is torn, because his professional obligations demand that he punish the speeder, but his personal obligations suggest that he should give a friend a break. what is this called?