research methods scholarly journal

What are the benefits of each form of publication for presenting the same studies?
What are the disadvantages of each form of publication for presenting the same studies?
What audience would each publication be best for?

Please review both links below for questions above.
1. https://www.rand.org/pubs/research_reports/RR2783.html
2.https://www.rand.org/pubs/research_briefs/RB10041.html

1-2 APA formatted sources