Answer:
Qualitative research
Step-by-step explanation:
Qualitative research is a type of research method that involves the collection and evaluation of qualitative data, which are non-numerical. This type of research is naturalistic, which involves having a real standing of things the way they are naturally, in order to have a deep understanding.
Using of open ended questions would make consumers choose their own words, and enable the manufacturer to understand the consumers first impression better.