“…The variance in voice use is high, and there is little design guidance for the proper selection of voice. This variance in voice can be categorized under the general concept of persona, or the "personality of a speech interface inferred by users based on the behavior of the [voice user interface]," (Hura, 2008). Under this concept of persona, synthetic voices have been found to possess emotional qualities such as happiness and sadness, and these voices are also given stereotypic gender qualities (Nass, Foehr, & Somoza, 2001;Lee, Nass, & Brave, 2000).…”