• Conditions that reduce productivity in brainstorming. Nominal groups” are generally better (work in isolation without interaction and combine results later)

Particularly noticeable in the following cases

  • when there are many people
  • When the experimenter is present.
  • When speaking orally and recording
    • Compared to writing on paper
  • The difference between brainstorming and “individual nominal” is greater than the difference between brainstorming and “same-seat noninal”.

“nominal groups”

  • people performing individually with no interaction, whose productivity is then combined
  • Nominal Brainstorming

Mullen, B., Johnson, C. and Salas, E., 1991. Productivity loss in brainstorming groups: A meta-analytic integration. Basic and applied social psychology, 12(1), pp.3-23.

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