Answer: Observational
Step-by-step explanation:
The method in which there is a observation of characters without being interfering into their natural processes is known as observational qualitative research.
There are many different types of research method which uses different techniques or experiments to find the desired result.
In this case the moneys are observed in their habitat without being interfering into their habitat. How they walk, how they react, how they eat and many more circumstances are observed only.