The type of qualitative data researchers use to develop a better understanding of migration from Guatemala to the United States are target group method, sample survey, questionnaire based interview method.
Explanation:
Researcher normally used qualitative research methodology for studying the migration related information in between different countries like Guatemala to the United States. In qualitative research there are several techniques like forming small target focused group, sample survey method and questionnaire base interview method.
Small target and focused groups are intensely interviewed by the researcher and samples are taken for conducting research from mass population. Questionnaire can be prepared to take interview of migrants.
The answer is the first one
