36. A method according to claim 34, wherein said steps (1) through (5) are performed by a software program operating in a general purpose digital computer.
34. A method according to claim 27, wherein said adjusting step further comprises: (i) increasing said subsequent predetermined speaking rate to a rate higher than said initial predetermined speaking rate by: (1) adding a predetermined numerical value to the numerical value of said variable response time interval to arrive at a sum; (2) modifying said sum if said sum is a fractional value by increasing the value of said sum to the next highest whole number to obtain a modified sum; (3) dividing a first predetermined fixed number by a divisor selected from a group consisting of said sum and said modified sum to arrive at a numerical value to be added; (4) adding said numerical value to be added to a numerical value equal to an average number of words per minute spoken by said system at said initial predetermined speaking rate to arrive at a second numerical value; (5) setting an average number of words per minute to be spoken by said system at said subsequent predetermined speaking rate to said second numerical value; and (6) limiting said subsequent predetermined speaking rate to a maximum speaking rate.