Caucuses are restricted to formal party members

The grandfather clause _________.

A. prevented African Americans from voting in Democratic primary elections B. limited voting to those whose ancestors could vote before the Civil War C. required African Americans to pay taxes for food and clothing D. exempted all white voters from the poll tax

The process of training interviewers on general survey administration involves:

A. General interviewing ethics and how to read questions consistently B. How to adhere to specific procedures and special instructions or vocabulary C. How to practice the interview process, preferably in a mock situation D. All of the above