Respuesta :
B. Because the research is being done by a psychologist and not just anyone
The most appropriate research source to know about the impact of social media on relationships is via option (B): " a journal article by a psychologist who is studying social media."
What is the most appropriate source of research about social media?
Researching a particular aspect of impact on certain issues, especially about people and their influencing factors can be analyzed by psychologists.
Psychologists publish a significant amount of journal articles regarding their studies about human behavior.
Therefore, to know the effect of social media on relationships, a journal article published by a psychologist is the authentic source of information.
So, option (B) is the correct answer.
Check out the link below to learn more about social media;
https://brainly.com/question/17693681
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