Action words may help your materials stand out from the mass of others and improve your chances of getting an interview. Many résumés today, unfortunately, still give lists of duties rather than tell about applicants' results or contributions.
In his 2008 piece, Jensen links to a document with list of action terms offered by the law school at the University of the District of Columbia (UDC). The CareerRocketeer blog recently posted its own list of 30 more résumé action terms, many of which are not on the UDC list. Some of these lend themselves to scientific or technical work. Here are a few ...
and my favorite ...