5. The method of claim 1 , wherein the recognition rate is an error rate based on estimated errors estimated from evaluating system behavior.
5. The method of claim 1 , wherein the recognition rate is an error rate based on estimated errors estimated from evaluating system behavior. 9. The method of claim 5 , wherein the recognition rate is determined, in part, using: a count of occurrences when instances of the word or one of the various words are recognized incorrectly in the system's hypothesis for a first utterance, followed by a user repeating the first utterance in a second utterance, followed by the system recognizing and accepting the hypothesis for the second utterance.