Creativity measurement has been the subject of empirical research for decades, with the most prominent notions about the creative process being Torrance’s Tests on Creative Thinking (TTCT). However, those studies focused on divergent thinking measurement. To integrate divergent and convergent thinking measurements, the present study developed a novel image-based creativity measure, named “revolutionary drawing,” in which images replace the conventional response scale, to examine the interrelatedness of creative thinking types: adaptive creativity or innovative creativity. The target sample of this study was 332 teachers who had joined the creative development program, from whom 324 valid data were collected for analysis to test the hypotheses. Our evidence indicated that the two types of creativity were negatively correlated. Moreover, three of the four sub-abilities of innovative creativity, cross-category, multiple-direction, and reverse thinking, were positively inter-correlated. Only originality thinking, the fourth sub-ability of innovative creativity, was not correlated to the other three sub-abilities of innovative creativity. The two sub-abilities of adaptive creativity, diffusive thinking and enriched thinking, were positively correlated. The results of this study revealed that females performed better than males with respect to age differences in innovative creativity. The younger participants performed better than the older participants, but on adaptive creativity, only participants aged under 30 performed better than participants aged 40 and over. The findings of this study suggest that revolutionary drawing could be used for testing innovative creativity and adaptive creativity as cognitive processes for divergent and convergent thinking.
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