200 Ghinea & Chen Copyright 2006, Idea
202 Ghinea & Chen Copyright 2006, Idea Group Inc. Copying or distributing in print or electronic forms without written permission of Idea Group Inc. is prohibited. prefer clips of medium dynamism, where they do not feel overwhelmed, but neither are they bored by the presentation of the subject matter concerned. Summary This chapter has presented the results of two studies that looked at the impact of cognitive styles and multimedia content on users subjective Quality of Perception. The latter is a term which encompasses not only a user s enjoyment, but also his/her level of understanding of visualised multimedia content. Each of the studies used a different dimension for categorising participants cognitive style thus, the first study used the Field Dependent/ Independent categorisation, whilst the second employed the Verbaliser/ Visualiser dimension. Our results reveal that multimedia video clip dynamism is an important factor impacting, irrespective of the particular dimension of cognitive style being employed, upon participants QoP-IA levels. A similar conclusion as regards QoP-LOE can only be made, however, if the Field Dependent/Independent dimension is used. If one uses the Verbaliser/Visualiser dimension to classify cognitive style, clip dynamism has no significant effects on Biomodals, which, displaying characteristics of both Verbalisers and Visualisers, have adaptable preferences of accessing information and enjoy receiving information from multiple channels. Cognitive Styles verbalizer biomodal imager Mean QoP-LOE (Max=6) 2.6 2.4 2.2 2.0 1.8 1.6 Dynamism weak medium strong Figure 5: Cognitive styles and clip dynamism impact on QoP-LOE
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