11. To test these two strategies, click on

“Modify search” again and re-open the search page. On the far right, change the selection from “Anywhere” to

“Abstract.” Also, below the search strategy boxes you will see the option of setting a “Publication date.” Change this option from “All dates” to “After this date” and enter a date such as January 1, 2015. Once you make these modifications, click on the search button again.

You will retrieve fewer results, but the articles will be relatively recent and, because the search terms appeared in the abstract, contain meaningful information on your topic.