Which source would be most appropriate for researching the question "How does social media affect personal relationships?"

The most appropriate sources that can be used is a journal article by a psychologist who is studying social media a social media site showing the process of connecting to other users.

In conducting research, the researchers must cite credible and valid sources. A blog post and a Wikipedia page are commonly unsuitable sources to utilize if there are other more credible and valid sources accessible, which for this situation is the journal article.