Answer:
This question lacks options, options are:
a) Intensive Interview
b) experiment
c) field research
d) surveys
The correct answer is c.
Step-by-step explanation:
Field research is the set of actions aimed at directly obtaining new data from the primary sources of information of people in the place and time in which the facts or phenomenon of interest for the investigation occur. The objective of the field work lies in the identification of the theory in the place where the studied phenomenon unfolds, that is, it implies the observation of the development of variables or uncontrolled factors, therefore, close to reality and qualitative.