We got a lot of letters all the time, and I was told quite frequently by girls who were going into the medical world or the science world or the FBI world or other worlds that I reigned, that they were pursuing those pursuits because of the character of Scully. And I said, 'Yay!'
Source, in full
Anderson tells that she has long been aware of "The Scully Effect" and the influence her character had on young women — reported in Jennifer Vineyard Vulture.com "Nearly Everything The X-Files’ David Duchovny and Gillian Anderson Said This Weekend" (October 14, 2013)