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Authors: QianYing Wang ; Jiang Hu and Clifford Nass

Affiliation: Stanford University, United States

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Design Methodology and Cognitive Factors in Design ; Enterprise Information Systems ; Human Factors ; Human-Computer Interaction ; Intelligent User Interfaces ; Internet HCI: Web Interfaces and Usability ; Physiological Computing Systems ; User Needs

Abstract: A 2x2 mixed design experiment (N=52) was conducted to examine the effects of search method and task complexity on users’ information-seeking performance and affective experience in an e-commerce context. The former factor had two within-participants conditions: keyword (KW) vs. natural language (NL) search; the latter factor had two between-participants conditions: simple vs. complex tasks. The results show that participants in the complex task condition were more successful when they used KW search than NL search. They thought the tasks were less difficult and reported more enjoyment and confidence with KW search. In the meantime, simple task participants performed better when they used NL rather than KW search. They also perceived the tasks as easier and more enjoyable, and had higher levels of confidence with the results, when NL was used. The findings suggest that NL search is not the panacea for all information retrieval tasks, depending on the complexity of task. Implications f or interface design and directions for future research are discussed. (More)

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Paper citation in several formats:
Wang, Q.; Hu, J. and Nass, C. (2005). Natural Language Interface Put in Perspective: Interaction of Search Method and Task Complexity. In Proceedings of the 2nd International Workshop on Natural Language Understanding and Cognitive Science (ICEIS 2005) - NLUCS; ISBN 972-8865-23-6X, SciTePress, pages 3-12. DOI: 10.5220/0002566000030012

@conference{nlucs05,
author={QianYing Wang. and Jiang Hu. and Clifford Nass.},
title={Natural Language Interface Put in Perspective: Interaction of Search Method and Task Complexity},
booktitle={Proceedings of the 2nd International Workshop on Natural Language Understanding and Cognitive Science (ICEIS 2005) - NLUCS},
year={2005},
pages={3-12},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002566000030012},
isbn={972-8865-23-6X},
}

TY - CONF

JO - Proceedings of the 2nd International Workshop on Natural Language Understanding and Cognitive Science (ICEIS 2005) - NLUCS
TI - Natural Language Interface Put in Perspective: Interaction of Search Method and Task Complexity
SN - 972-8865-23-6X
AU - Wang, Q.
AU - Hu, J.
AU - Nass, C.
PY - 2005
SP - 3
EP - 12
DO - 10.5220/0002566000030012
PB - SciTePress

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