Groupthink is a phenomenon arising specifically in:

1. The name itself points to where the effect occurs. 2. When in group settings, we are often influenced by the thoughts, feelings, and behaviors of people around us. 3. Groupthink is the case where that influence suppresses dissent inside a decision-making group. 4. Working alone removes the source of the pressure. 5. It is a group-level failure rather than an individual cognitive bias. _Source: OpenStax Psychology 2e (CC BY 4.0), Ch 12 'Social Psychology', sections 12.1-12.5_