Question

Using __________, trained researchers ask questions, listen to and record the answers, and then pose additional questions to clarify or expand on a particular issue.
A. questionnaires
B. experiments
C. in-depth interviews
D. primary data mining
E. observation

Answer 1

Can be experiments or observation

Answer 2

Answer:

The correct answer is letter "C": in-depth interviews.

Explanation:

In-depth interviews are valuable information collection strategies. These may take the form of surveys where data is collected on a specific topic for later analysis and decision-making. If required, additional information might be asked to complete the analysis that fits the study's expectations. In-depth interviews aims to capture the feelings, ideas, and actions of individuals.