Which of the following techniques is NOT an individual technique for generating ideas? Brainstorming or idea storming Questioning or listing quest...

Which of the following techniques is NOT an individual technique for generating ideas?

Brainstorming or idea storming
Questioning or listing questions
SCAMPER method
365 technique (Warfield)
4x4x4 technique
Empathy or identification
List of attributes
Random stimulation, free association, and forced connections
Consultation with outsiders or strangers
Mind maps or radial thinking
Bubbles or concept maps
Six thinking hats
a) Empathy or identification
b) 365 technique (Warfield)
c) Mind maps or radial thinking
d) All of the above are individual techniques