Bobby Parmar, author of "Radical Doubt," illustrates doubt through General Eisenhower, who publicly expressed confidence about the success of the D-Day invasion to maintain morale among troops and the public. Privately, he prepared a contingency plan, including a draft of a letter taking responsibility if the invasion failed. This demonstrated his use of doubt to anticipate possible failure and plan accordingly.
The brain's "pause and piece together" system involves the prefrontal cortex, which slows down decision-making to analyze information carefully. This process helps integrate new evidence and reassess assumptions before acting. Under stress, the amygdala can override this system, triggering quick, instinctive responses instead. Effective doubt relies on balancing this reflective pause with emotional regulation.
When judging ourselves, we focus on our intentions—what we meant to do—because we have access to our internal thoughts and motivations. Others only see our external actions and outcomes, lacking insight into our intentions. This difference can cause misunderstandings, as people may judge us harshly based on results without knowing our reasons. Recognizing this gap helps reduce defensiveness when receiving feedback.
Parmar argues that doubt is particularly valuable in complex situations. He introduces "Anomalizing," a strategy of noticing early warning signs, and advocates for using doubt to examine various solutions rather than rushing to certainty.
Novices often treat intuition as definitive, experts use it as a starting point for questioning and strategy development. When Captains and The rentals were asked about their plans, captains had an intuition and then sought to justify or rationalize that with data after they made the intuitive decision (promoting confirmation bias) while generals would ask questions and consider how each plan might fail to evaluate it...overconfidence and the need for certainty can blind individuals to potential risks, while confirmation bias often prevents people from seeking contradictory information after making decisions. Experts use their intuition as a hypothesis, ask questions, and build flexible strategies.
"Anomalizing" is the practice of actively identifying and focusing on anomalies—unexpected or unusual signs that deviate from normal patterns. It helps in early detection of potential problems or risks by questioning assumptions. This approach encourages critical thinking and prevents premature conclusions.
Social media feeds and rewards the feeling of being right and having the answer. People who focus on getting right answers and who crave certainty tend to dismiss different perspectives, underestimate risks, and become overconfident.