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Roger B. Garberg

Ph.D.

Applied research into decision making, behavioral economics, and consumer behavior.

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Publications by Roger B. Garberg (bibliography)

1995

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Garberg, Roger B. (1995): Iterative Design of a Voice Name Dialing Service. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 187-191.

“Recent advances in automatic speech recognition (ASR) technology have enabled us to develop the first commercially available voice name dialing service that provides the user with voice control of all aspects of service operation, including training the ASR device, administering the dialing list, and placing calls to listed parties by saying their name. One of the principal challenges in designing the service has involved anticipating the sources of breakdowns, occasions in which the user is compelled to attend to an ASR capability that has failed to respond as expected. Iterative design-and-test studies have produced a service judged fun and easy to use in recent commercial trials. This paper describes the studies and the design details that have enabled us to avoid or accommodate a variety of potential breakdowns, and so realize the new potential of ASR in telecommunication applications such as voice name dialing.”

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Garberg, Roger B. (1995): Automatic Speech Recognition Applications: A Study of Methods for Defining Command Vocabularies. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 203-207.

“Phoneme-based automatic speech recognition (ASR) technology enables designers to easily create custom command words or phrases that users can employ to request service operations. In this paper, I report results from two experiments concerning important dimensions of these ASR command vocabularies, including command naturalness/appropriateness and command recallability. Ease of recall is a critical dimension for assessing ASR commands used in multi-step applications since service subscribers may be engaged in several different cognitive activities that divide attention. Yet techniques for measuring command recallability can be difficult to implement owing to the time required for data collection and analysis. Results of these studies indicate that the dimension of command "naturalness" and memorability are closely related: under appropriate conditions, the simple procedures associated with measuring command naturalness or appropriateness can predict retrievability of command expressions.”

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