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	<pub:TechReport rdf:about="http://ebiquity.umbc.edu/paper/html/id/574/The-Effect-of-Perceptual-Structure-on-Multimodal-Speech-Recognition-Interfaces">
		<rdfs:label><![CDATA[The Effect of Perceptual Structure on Multimodal Speech Recognition Interfaces]]></rdfs:label>
		<pub:title><![CDATA[The Effect of Perceptual Structure on Multimodal Speech Recognition Interfaces]]></pub:title>
		<pub:publishedOn rdf:datatype="&xsd;dateTime">1998-01-01T00:00:00-05:00</pub:publishedOn>
		<pub:abstract><![CDATA[A framework of complementary behavior has been proposed which maintains that direct
manipulation and speech interfaces have reciprocal strengths and weaknesses. This suggests that
user interface performance and acceptance may increase by adopting a multimodal approach that
combines speech and direct manipulation. This effort examined the hypothesis that the speed,
accuracy, and acceptance of multimodal speech and direct manipulation interfaces will increase
when the modalities match the perceptual structure of the input attributes. A software prototype
which supported a typical biomedical data collection task was developed to test this hypothesis.
A group of 20 clinical and veterinary pathologists evaluated the prototype in an experimental
setting using repeated measures. The results of this experiment supported the hypothesis that the
perceptual structure of an input task is an important consideration when designing a multimodal
computer interface. Task completion time, the number of speech errors, and user acceptance
improved when interface best matched the perceptual structure of the input attributes.]]></pub:abstract>
		<pub:organization><![CDATA[Computer Science and Electrical Engineering]]></pub:organization>
		<pub:counter>1242</pub:counter>
		<pub:publisher><![CDATA[University of Maryland, Baltimore County]]></pub:publisher>
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					<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Michael/Grasso"><person:name><![CDATA[Michael A. Grasso]]></person:name><rdfs:label><![CDATA[Michael A. Grasso]]></rdfs:label></person:Person>
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							<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/David/Ebert"><person:name><![CDATA[David Ebert]]></person:name><rdfs:label><![CDATA[David Ebert]]></rdfs:label></person:Person>
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									<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Tim/Finin"><person:name><![CDATA[Tim Finin]]></person:name><rdfs:label><![CDATA[Tim Finin]]></rdfs:label></person:Person>
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<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Michael/Grasso"><person:name><![CDATA[Michael A. Grasso]]></person:name><rdfs:label><![CDATA[Michael A. Grasso]]></rdfs:label></person:Person>
		</pub:firstAuthor>
		<pub:softCopy><pub:SoftCopy>
			<pub:softCopyFormat><![CDATA[PDF Document]]></pub:softCopyFormat>
			<pub:softCopyURI><![CDATA[http://ebiquity.umbc.edu/get/a/publication/611.pdf]]></pub:softCopyURI>
			<pub:softCopySize>38844</pub:softCopySize>
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