You'll be looking for journal articles that discuss your selected research topic. Journal articles are written by a researcher to describe a study that he or she has conducted and are published in scholarly journals. The library subscribes to thousands of scholarly journals; you can locate most of these journals in the library's research databases.
Look for the following sections in any journal article:
Put it all together:
(children OR adolescents OR teenagers) and violen* and (tv OR television)