To ensure your search returns articles that meet the requirements of the assignment, be sure the use the limiters under Search Options before you start your search.
The databases can tell you about articles they have no rights to reproduce. To ensure you can also access the article, check the Full-Text box.
To limit your search results to professional journals: Look for a box for Scholarly, Academic or Peer-Reviewed Journals and check it. Some databases may also give you the option to exclude book-reviews and non-article content from your results.
To limit your results to articles written in the past 10 years, fill in the Year of Publication or Published boxes.
The database you use may have a slightly different search page than the one pictured below, but they all work the same way and have similar search options.