19. The computer-readable storage device of claim 17 , wherein an analysis of the text-based answer further comprises analyzing one of an answer length and a vocabulary.
19. The computer-readable storage device of claim 17 , wherein an analysis of the text-based answer further comprises analyzing one of an answer length and a vocabulary. 20. The computer-readable storage device of claim 19 , wherein the answer length is analyzed in conjunction with the characteristic, an answer pace, a tonal quality, and a voice frequency, to determine the mood.