A research method in which researchers become directly involved in the situation under investigation is participant observation.
What is participant observation?
A participant observation method refers to the person who wants to research anything, he involves in this situation.
For example - A person wants to know about the habit of people. Then he/she needs to check his/her habit too.
A research method in which researchers become directly involved in the situation under investigation is participant observation.
Then the correct option is C.
More about the participant observation link is given below.
https://brainly.com/question/8187021
#SPJ2
