Tool

Well known

Frequency level

Often

Sometimes

Rarely

Never

SCAMPER

14.2

6.2

1.8

0.6

93.4

Random picture

33.3

8.4

0

9.2

82.4

Six thinking hats

15.3

10.3

16.6

9.2

63.9

Brainstorming

38.8

14.7

16.0

0

69.3

Random word

43.3

17.7

17.2

7.4

57.7