1. A device, comprising: one or more processors configured to: provide a query to a user, receive voice data from the user responsive to the query, perform voice recognition on the voice data to identify a query answer, calculate a confidence score associated with the query answer, wherein the confidence score represents the likelihood that the query answer has been accurately identified, and determine a likely age range associated with the user based on the confidence score, wherein the one or more processors configured to calculate the confidence score are tuned to increase a likelihood of recognition of voice data for a particular age range of callers.