| Mind map, also known as thinking map, uses image and color to establish memory links by levels and concepts of subordinating relation, which can mobilize the brain cognitive function effectively. Although mind map has been gradually recognized and used in recent years, the mind map’s structure characteristics is still lack of research. As the reason, the purpose of this study is to extract mind map’s structure characteristics through experiment and factor analysis, and then to explore the relationship between personality openness and the mind map’s difference of the subject under three different constraints (high, medium, low).The results of study are as follows:(1) Three structure characteristics of mind map can be extracted:visual scalability, content richness and creative fluency. The visual scalability includes thin layer series, area, branch number, and total layer series; content richness includes illustration number, generality, tonal richness; creative fluency includes fluency evaluation element.(2) Under different constraint conditions, there are significant differences in Visual scalability (F=24.93, P<0.001) and content richness (F=3.18, P<0.05), but not in creative fluency.(3) Under different constraint conditions, there are significant differences in Creative fluency between personality openness (F=5.57, p<0.05),but not in Visual extension and content richness.(4) The significant interaction effect to mind map’s creation has not been found in constraint conditions and personality openness.The conclusions are as follows:(1) Three structure characteristics of mind map are extracted:visual scalability, content richness and creative fluency, which can be used to evaluate the mind map effectively.(2) Constraint conditions will affect creation process of mind map, especially in visual scalability, content richness. Low constraint condition is good for mind map’s creation.(3) Personality openness will also affect the mind map creation, mainly in the process of creation fluency. |
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