An Example of Procedure in the Data Validation Process Is

An example of procedure in the data validation process is when:

A) the interviewer contacts the respondent simply to get a name and address and then proceeds to falsify the interview.
B) the raw data is checked for mistakes made by either the interviewer or respondent.
C) a sample of respondents is recontacted and asked to verify whether they answered various questions from different parts of the interview form.
D) a sample of respondents is recontacted to ensure the interview took place at the proper setting.
E) a sample of respondents is recontacted to ensure that they are qualified to participate in the exercise.