A Marketing Research Agency Is Organising Marketing Research in Central

A marketing research agency is organising marketing research in Central American countries for a large Australian corporation that is interested in expanding into these markets.The survey it is using was written in English and then translated into Spanish for response by Spanish-speaking respondents.Which of the following is it most important for the agency to do before administering this questionnaire to a sample of the market?

A) Make sure that the survey includes both open-end and closed-end questions.
B) Decide whether to focus on primary or secondary data.
C) Determine which type of research instrument to use.
D) Have the questionnaire translated back into English to check for accuracy.
E) Determine whether to focus on descriptive or causal objectives.