Conception et évaluation ergonomique d'une aide en ligne multimodale incarnée par une tête parlante 3D: Conception et évaluation d'un ACA d'aide en ligne
Identifieur interne : 000842 ( PascalFrancis/Curation ); précédent : 000841; suivant : 000843Conception et évaluation ergonomique d'une aide en ligne multimodale incarnée par une tête parlante 3D: Conception et évaluation d'un ACA d'aide en ligne
Auteurs : Jérôme Simonin [France] ; Noëlle Carbonell [France]Source :
- TSI. Technique et science informatiques [ 0752-4072 ] ; 2010.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Ergonomie.
English descriptors
- KwdEn :
Abstract
An empirical study is presented which aims at assessing the possible effects of embodiment on online help effectiveness and attraction. 22 undergraduate students designed two simple animations with Flash, using two different multimodal online help agents EH and UH, one per animation. Both help agents used the same database of speech and graphics messages EH was personified using a talking head while UH was not embodied. Subjective judgments elicited through questionnaires indicate that the presence of the ECA and its influence on help effectiveness were perceived as positive. Analysis of eye tracking data indicates that the ECA actually attracted their visual attention and interest, since they glanced at it from the beginning to the end of the animation creation. Contrastingly, post-tests marks and conclusions of interaction trace analysis suggest that the ECA'S presence had no perceivable effect on concept or skill learning or task execution efficiency.
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<front><div type="abstract" xml:lang="en">An empirical study is presented which aims at assessing the possible effects of embodiment on online help effectiveness and attraction. 22 undergraduate students designed two simple animations with Flash, using two different multimodal online help agents EH and UH, one per animation. Both help agents used the same database of speech and graphics messages EH was personified using a talking head while UH was not embodied. Subjective judgments elicited through questionnaires indicate that the presence of the ECA and its influence on help effectiveness were perceived as positive. Analysis of eye tracking data indicates that the ECA actually attracted their visual attention and interest, since they glanced at it from the beginning to the end of the animation creation. Contrastingly, post-tests marks and conclusions of interaction trace analysis suggest that the ECA'S presence had no perceivable effect on concept or skill learning or task execution efficiency.</div>
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