Using a cognitive model to generate web navigation support |
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| Affiliation: | 1. Center for Content and Knowledge Engineering, Institute of Information and Computing Sciences, Utrecht University, Padualaan 14, 3584 CH Utrecht, The Netherlands;2. Department of Psychology, Carnegie Mellon University, USA;1. Alarcos Research Group (University of Castilla-La Mancha), Paseo de la Universidad, 4 13071 Ciudad Real, Spain;2. Lero-The Irish Software Engineering Research Centre, University of Limerick, Ireland;1. Chair on Systems Science and the Energetic Challenge, Fondation Electricite’ de France (EDF), Laboratoire Genie Industriel, CentraleSupélec, Université Paris-Saclay, Grande voie des Vignes, 92290 Chatenay-Malabry, France;2. Energy Department, Politecnico di Milano, Via La Masa 34, Milano 20156, Italy;1. Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong 266100, PR China;2. Max Planck Institute for Terrestrial Microbiology LOEWE Center for Synthetic Microbiology (SYNMIKRO), Marburg 35043, Germany;1. Central Laboratory of Heping Hospital Affiliated to Changzhi Medical College, Changzhi City, Shanxi Province 046000, People’s Republic of China;2. Molecular Design and Nanotechnology Laboratory of Institute of Biomedical Engineering, Peking Union Medical College and Chinese Academy of Medical Sciences, Tianjin City 300192, People’s Republic of China;3. Department of Dermatology of Heping Hospital Affiliated to Changzhi Medical College, Changzhi City, Shanxi Province 046000, People’s Republic of China;4. Urinary Surgery of Heping Hospital Affiliated to Changzhi Medical College, Changzhi City, Shanxi Province 046000, People’s Republic of China;5. Oncological Surgery of Heping Hospital Affiliated to Changzhi Medical College, Changzhi City, Shanxi Province 046000, People’s Republic of China;6. Department of Pharmacology of Changzhi Medical College, Changzhi City, Shanxi Province 046000, People’s Republic of China;7. Department of Osteology of Heping Hospital Affiliated to Changzhi Medical College, Changzhi City, Shanxi Province 046000, People’s Republic of China;8. Department of Physiology of Changzhi Medical College, Changzhi City, Shanxi Province 046000, People’s Republic of China |
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| Abstract: | A computational cognitive model of web navigation is proposed. Based on theories and models of text comprehension and web navigation, the plausibility of the proposed model is discussed. The model was used to generate navigation support and this support was offered to users in real time during their navigation sessions, in two experiments. In the first experiment navigation support was offered in the auditory modality and it had a positive effect on user's task performance, especially for users with low spatial abilities. In the second experiment navigation support was offered in the visual modality and users positively evaluated it. Users navigated in a more structured way, judged the system as more usable, and perceived themselves as less disoriented. Support did also here lead to better task performance. Finally, some aspects concerning further enhancement of the validity of the proposed model and its practical relevance are discussed. |
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