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Enhancing Presentation Building: A Study on MultiPoint and Speech Recognition in PowerPoint

This study investigates the performance of users building presentations using MultiPoint, a speech and pen user interface, compared to standard PowerPoint. We assessed two groups of participants using Wizard of Oz (WOz) and computer speech recognition techniques to measure task completion time and error rates. Findings indicate that users with WOz recognition performed comparably to those using PowerPoint alone, while participants using computer speech recognition experienced increased completion time and error frequency. This research highlights the effectiveness of multimodal interfaces in enhancing user experience in presentation tasks.

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Enhancing Presentation Building: A Study on MultiPoint and Speech Recognition in PowerPoint

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  1. Experimental Conditions MultiPoint PowerPoint The MultiPoint command “make a rectangle” converts a sketched rectangle into neatened form. A participant using MultiPoint on a tablet computer Time for completion in the two groups of participants WOz Speech Recognition 6 6 Computer Speech Recognition 6 6 Experimental design. Tools tested (within subjects variable) versus Independent groups (between subjects variable) Steps for completion in the two groups of participants. Errors for completion in the two groups of participants. Results: MultiPoint: A Case Study of Multimodal Performance for Building Presentations Anoop K. Sinha, Michael Shilman, Niraj Shah Group for User Interface ResearchCS Division, EECS Department University of California at Berkeley Experiment: MultiPoint Architecture Tasks: ABSTRACT MultiPoint is a speech and pen user interface for building presentations, implemented as an add-on to Microsoft PowerPointTM. In this study, we compared users’ performance between building presentations with MultiPoint and with PowerPoint. We also compared participants’ performance between using Wizard of Oz (WOz) speech recognition and computer speech recognition. In aggregate, six participants with WOz recognition completed tasks in about the same time and with about the same number of errors, as they did using PowerPoint alone. Six participants with computer speech recognition took twice the time and committed four times as many errors, as they did using PowerPoint.

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