Answer:
naturalistic observation
Explanation:
Naturalistic observation: In scientific or psychological research, the term naturalistic observation is defined as one of the research methods in which the researcher or the experimenter tends to study and observe the interested participants or subjects into their natural surroundings. The researcher or the experiments makes an effort to note everything they watch and notice about the participants or subjects being studied.
In naturalistic observation, there's a great chance of the results to be biased as the researcher or the experimenter makes results based only on his or her observation i.e, it lacks scientific approval.
In the question above, the researcher is using naturalistic observation.
The answer is: if the author is considered an expert in his or her field
In order to know the credibility of the author, you just need to conduct a quick research regarding the author's educational background and his/her working experiences. IF the educational background and the working field match the topics on the non-fiction books, that we assume that the author has a credibility.
Explanation:
country is known for its palm oil production
The route he took is the second option.
The blue dot in the picture that I included is the correct answer.
Hope this helped. Have a great day.~
