Software was used to evaluate 3864 unique applications containing 13 617 letters of recommendation submitted through the Electronic Residency Application Service (ERAS) to the Yale University Department of Psychiatry Residency Program in recruitment cycles from 2013-2014 to 2016-2017.  The software identified pairs of letters written by different authors with at least 75 words of shared language, counting only words present in contiguous phrases of at least eight words (Shared Wording Across People, SWAP). 
Software
Software was used to evaluate 3864 unique applications containing 13 617 letters of recommendation submitted through the Electronic Residency Application Service (ERAS) to the Yale University Department of Psychiatry Residency Program in recruitment cycles from 2013-2014 to 2016-2017. 
Electronic Residency Application Service (ERAS)