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This paper reports on a preliminary comparative study of Alexa, Siri, and Google Assistant voice assistants (VA) that explores the origins of answers provided on each platform in an attempt to determine the extent that these origins influence responses. Questions were selected from Text Recognition (TREC) 2017 Live Question Answering (QA) Track Data, a collection of pre-assessed questions that are part of the National Institute of Standards and Technology (NIST) TREC QA track. Responses were collected as voice memos and screen captures, then analyzed to determine the origins of each answer or set of answers provided. Results indicate that the origins of answers are different search engines, and that algorithm-centered processes in each voice assistant result in vast differences in answers to questions. Because the online search results provided as answers by voice assistants are influenced by content and structured data, technical communicators and UX practitioners can help ensure that voice assistants are able to provide accurate, complete, and ethical responses to users’ questions.
Daniel L. Hocutt (Tue,) studied this question.