An Experiment Study on the Cognitive Schema of Trajectory in Dynamic Visualization
In theory, when the novel has a high-matching degree with the cognitive structure, the cognitive process maintains an equilibrium status, the assimilation process of cognitive schema generates at this time. And the new information may expand the existing cognitive structure in amount and strengthen the schema. However, if the novel has a low-matching degree with the existing cognitive structure, the cognitive process appears unbalance accompanied by the accommodation process. In big data era, the visual features of the movement of objects (trajectory) has become an important element in dynamic visualization. In the display space, the movement pattern corresponds to the movement schema in cognitive schema. Based on this, we designed an experiment to verify the theoretical reasoning of cognitive schemas of trajectory in dynamic visualization. The results showed that the cognitive schemas of trajectory in dynamic visualization could build up by iterative learning in a short time. And the cognitive schema had a certain degree of inclusiveness. The difference degree between the novel and the inherent information was the main factor of the effect of the cognitive schemas. But we didn’t found the obvious distinction between the assimilation process and the accommodation process of cognitive schemas in the experiment. We also found the different dynamic trajectories associated with the effect of cognitive schemas to a certain degree. This research opened up a new perspective of cognitive schemas for the study of dynamic visualization.
KeywordsDynamic visualization Cognitive schemas Assimilation Accommodation cognitive load
This paper is supported by National Natural Science Foundation of China (No. 71471037). Thanks for all the participants involved in the experiments.
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