Individual differences |
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Building on J.P. Guilford's work, they involved simple tests of divergent thinking and other problem-solving skills, which were scored on four scales:
- Fluency. The total number of interpretable, meaningful, and relevant ideas generated in response to the stimulus.
- Flexibility. The number of different categories of relevant responses.
- Originality. The statistical rarity of the responses.
- Elaboration. The amount of detail in the responses.
The third edition of the TTCT in 1984 eliminated the Flexibility scale