- The research does not ask a specific question about taste preference to narrow the focus on responses.
Explanation:
As per the question, the problematic aspect of the research is that 'it does not ask a particular question about the taste preference that would help him/her to narrow the focus of the research on those responses'. This <u>narrowing of topic would help in exploring the topic in depth and give a direction to the research that would help in having a better understanding of the taste preferences and reach a valid conclusion or deduction.</u> Thus, the given research would be considered problematic as it does not narrow down the focus which may elicit a conclusion that is not as effective as it must be.
