Answer:
Observation
Step-by-step explanation:
Observation Survey is a data collection technique for gathering information and utilizes the senses to obtain certain aspects of reality. It is not only to see and hear, but also to examine facts or phenomena that one wishes to study, so that this examination is possible, it is necessary that what was heard and seen by the researcher be recorded or filmed, so that the study can continue. in other environments. With Nance's concern about the technology that will be used to record and film his research, we can see that this is an observational research.