Which of the following statements best describes the brainstorming method of teaching?

Brainstorming aims at the free production of a large number of ideas without immediate criticism or evaluation.

Small-step presentation with feedback describes programmed instruction, not brainstorming.

Content delivery in a lucid language describes the lecture method.

Theme-based interaction among participants describes the discussion or seminar method.

Alex Osborn introduced brainstorming with rules like deferring judgment and encouraging unusual ideas.

Its four principles are focus on quantity, withhold criticism, welcome unusual ideas and combine and improve ideas.