Technique used to motivate respondents to enlarge on, clarify or explain their answers- options interviewing sampling probing questioning

Technique used to motivate respondents to enlarge on, clarify or explain their answers is called : Probing

Probing is used to found out the basic reasons from people's opinion. This technique is really common in the field of psychology or even to gain understanding of consumer's point of view

A technique that is commonly used to motivate respondents to enlarge, clarify or explain their answer would be probing. Probing is often also used in scientific research with the same basic idea in mind; for clarification and explanation purposes that is.