Using the descriptions provided, complete the table by identifying the correct method for (a) Targets for these are determined based on relevant characteristics related to the addressed topics. Typically, this method is conducted face-to-face using a prepared set of questions posed to a specified number of target customer groups to achieve a representative sample. Follow-up questions occur if noteworthy issues arise. An experienced individual can leverage customer body language to generate questions and gather further information. This method is valuable for acquiring qualitative data