One of your needs assessment objectives is to identify barriers to breast$-$feeding initiation among low$-$income first$-$time mothers. Which one of the following is not a good choice for a method of gathering this information?

Question $6$ options:

A focus group of new mothers who decided not to breast$-$feed

A survey of new mothers who decided not to breast$-$feed

Key informant interviews of new mothers who decided not to breast$-$feed