Which of the following methods of research would be most appropriate?

A company is expanding its baby clothing product range to include all items for infants, for example feeding and bathing equipment. As this is a new venture for the company, the Board of Directors has agreed that market research is a necessary exercise, but it is undecided as to which is the most efficient and effective method.

Which of the following methods of research would be most appropriate?
A . Questionnaires
B . Focus groups
C . Experimentation
D . Interviews

Answer: B