Indicate correct options of the following statements on data collection and questionnaire design.

(A) In order to ensure sufficiency of data, the field questionnaire must be 10% above the required number

(B) In structured interviews, interviewers attributes can significantly affect the respondent's replies

(C) Presentation of closed-ended questions and the general layout constitute important considerations in preparing a self administrated questionnaire

(D) In computer assisted data collection, degree of control over the interview process is high

(E) Description of important terminologies/jargons helps to improve the efficiency of respondent in filling the questionnarie

Choose the most appropriate answer from the options given below: