1. A non-transitory system memory encoding computer executable instructions that, when executed by at least one processor, perform a method comprising: sending an associated user response to the speech recognition system, wherein the associated user response is based at least in part on a test stimulus; receiving a recognized response from the speech recognition system, wherein the recognized response is based at least in part on the associated user response; comparing at least two of the test stimulus, associated user response, and the recognized response, and for generating a confusion error matrix, wherein the confusion error matrix comprises test stimulus and the recognized response; and adjusting at least one parameter of the speech recognition system based at least in part on the confusion error matrix.