"By gathering information from a small number of groups and individuals, researchers produce rich data about the social world and in-depth understanding of particular social process." This is a description of which type of study?

qualitative research

Explanation:

QUALITATIVE RESEARCH is a scientific method of observation to gather non numerical data, while focusing on meaning making.

Qualitative research approaches are employed across many academic disciplines, focusing particularly on the human elements of the social and natural sciences.

"By gathering information from a small number of groups and individuals, researchers produce rich data about the social world and in depth understanding of particular social process." This is a description of QUALITATIVE RESEARCH type of study.