1. A computer-implemented method for invoking a tapered prompt comprising a plurality of prompt elements, each prompt element comprising a voice component and a non-voice component, the method comprising acts of: selecting a first voice style for the voice component of a first prompt element in the plurality of prompt elements of the tapered prompt, wherein the voice component of the first prompt element solicits requested information from a user; selecting, in conjunction with selecting the first voice style, a first non-voice style for the non-voice component of the first prompt element, wherein the non-voice component of the first prompt element solicits the same requested information as the voice component of the first prompt element; receiving voice input provided by the user in response to the first prompt element; using at least one processor to process the voice input to determine whether the user provided the requested information; and in response to determining that at least some of the requested information was not provided by the user, selecting a second voice style for the voice component of a second prompt element of the tapered prompt, and selecting, in conjunction with selecting the second voice style, a second non-voice style for the non-voice component of the second prompt element, wherein: both the voice component and non-voice component of the second prompt element further solicit the at least some of the requested information from the user, the second voice style is different from the first voice style, and the second non-voice style is different from the first non-voice style.