Published Jan 7, 2019

#471: Using Mental Models to Make Better Decisions

Shane Parrish, former Canadian intelligence officer and owner of Farnam Street, reveals the transformative power of mental models in decision-making, shares principles for deliberate living, and offers practical strategies and tools for enhancing judgment and personal growth.
Episode Highlights
The Art of Manliness logo

Popular Clips

Episode Highlights

  • Frameworks

    Shane Parrish shares a simple yet effective decision-making framework inspired by Charlie Munger. The framework involves understanding the situation and recognizing personal biases that might cloud judgment. Shane emphasizes the importance of asking the right questions to learn from experts, rather than just seeking their opinions 1.

    It might take five extra minutes to learn something, but you're going to learn something that applies over the course of your life.

    ---

    He also discusses guiding life principles, such as prioritizing direction over speed and living deliberately. These principles help ensure that one's efforts are aligned with meaningful goals 2.

       

    Strategic Thinking

    Strategic decision-making involves preparing in advance and understanding when to deviate from common wisdom. Shane explains that seeking information only when a decision is imminent can lead to mediocre outcomes. Instead, he advocates for learning big mental models to make better decisions 3.

    Slow down. It seems counterintuitive. You might have to work a little bit longer at first, make better initial decisions.

    ---

    Second-order thinking, a concept used in intelligence agencies, requires considering the long-term consequences of actions. This approach helps in making decisions that are beneficial in the long run, even if they seem negative initially 4.

       

    Techniques

    Shane discusses the tactic of inversion, which involves identifying and avoiding negative outcomes to increase the likelihood of positive results. This method provides a holistic view of situations and leads to better decisions 5.

    Avoiding stupidity is easier than seeking brilliance.

    ---

    He also emphasizes the importance of owning one's actions and learning from mistakes. Accepting responsibility and seeking improvement are crucial for personal growth and better decision-making 6.

       

    Decision Journals

    Decision journals are a practical tool for improving judgment and decision-making. Shane explains that recording decisions and the information used at the time helps in evaluating and refining one's judgment over time. This practice is particularly useful in professional settings where consistent decision quality is crucial 7.

    This is how I can judge your judgment. This is how I can be comfortable trusting you to make decisions.

    ---

    By using decision journals, individuals can identify biases and improve their decision-making processes, leading to better outcomes in the long run.

Related Episodes