Which of the following steps are required to design a questionnaire?
(a) Writing primary and secondary aims of the study.
(b) Review of the current literature.
(c) Prepare a draft of questionnaire.
(d) Revision of the draft.
Select the correct answer from the codes given below:
(A) (a), (b), (c) and (d) (B) (a), (b) and (c)
(C) (a), (c) and (d) (D) (b), (c) and (d)
(a) Writing primary and secondary aims of the study.
(b) Review of the current literature.
(c) Prepare a draft of questionnaire.
(d) Revision of the draft.
Select the correct answer from the codes given below:
(A) (a), (b), (c) and (d) (B) (a), (b) and (c)
(C) (a), (c) and (d) (D) (b), (c) and (d)