I used to agonize over decisions for days — small ones, big ones, didn’t matter. Should I sign up for that workshop? Accept the committee position? Change my commute route? The mental overhead was exhausting. Then I read Daniel Kahneman’s research on cognitive biases and realized I wasn’t making decisions poorly because I lacked information. I was making them poorly because I didn’t have a system.
Why Most People Decide Badly
Research from Princeton University published in Psychological Science (2011) found that judges granted parole at higher rates after meals than before — not because of evidence, but because of glucose levels. Our decisions are far more influenced by irrelevant factors than we’d like to admit. Kahneman’s Nobel Prize-winning work on System 1 and System 2 thinking (detailed in Thinking, Fast and Slow) shows that our fast, intuitive brain hijacks decisions constantly. The fix isn’t to think harder. It’s to build external scaffolding. [2]
The Framework: 5 Steps
Step 1 — Define the Actual Decision
Write the decision as a single sentence. Not “I need to figure out my career” but “Should I apply for the department head position by Friday?” Vague framing produces vague thinking. Specificity forces clarity. [3]
Step 2 — Surface Your Criteria First
Before researching options, write down what matters to you in this decision. Time, money, relationships, alignment with values. Research from Columbia Business School shows people who list criteria before evaluating options make choices they regret less — because they anchor to their actual values rather than whatever information is most available.
Step 3 — Generate at Least Three Options
The single biggest decision-making error is treating a binary choice as the only possibility. “Should I quit or stay?” ignores negotiating, reducing hours, transferring departments, or a planned 6-month runway. A 2016 study in Organizational Behavior and Human Decision Processes found that decision-makers who generated more than two options had better outcomes one year later.
Step 4 — Apply the 10/10/10 Test
Suzy Welch’s 10/10/10 method asks: How will I feel about this decision in 10 minutes? 10 months? 10 years? This forces temporal perspective. Decisions that feel urgent often don’t survive the 10-year lens — and decisions that feel trivial sometimes matter enormously long-term. [1]
Step 5 — Decide and Document
Make the call. Write one sentence explaining why. This isn’t bureaucracy — it’s a learning loop. When you revisit decisions six months later, the reasoning matters more than the outcome. You’ll start to see which of your own heuristics are reliable and which ones reliably mislead you.
Cognitive Techniques That Actually Help
Pre-mortem Analysis
Psychologist Gary Klein developed this technique used by military planners and NASA engineers. Before deciding, imagine it’s one year later and the decision failed spectacularly. What went wrong? This surfaces risks your optimistic brain is glossing over. I’ve used this before every major commitment for three years now, and it has saved me from at least two decisions I would have deeply regretted.
Reference Class Forecasting
Nobel laureate Kahneman and colleague Amos Tversky found we systematically underestimate how long things take and how hard things are — the planning fallacy. The antidote: find base rates. If you’re starting a side project, ask “What percentage of people who start similar projects finish them in six months?” Use that number, not your optimistic gut estimate.
The Regret Minimization Framework
Jeff Bezos has described projecting himself to age 80 and asking which choice he’d regret more. This isn’t sentimental — it’s a practical way to access long-term values when short-term noise is loud.
When to Trust Your Gut
Intuition isn’t worthless. Research by Gary Klein published in Sources of Power shows that expert intuition — built on thousands of hours in a specific domain — is often highly reliable. A chess grandmaster’s gut read of a position, an ER nurse’s sense that something is wrong with a patient: these are pattern-recognition systems built from experience. The key word is expert. In unfamiliar domains, gut feelings are mostly noise dressed as signal.
The Decision Journal
When exploring Decision, it helps to consider both the theoretical background and the practical implications. Research shows that a structured approach to Decision leads to more consistent outcomes. Breaking the topic into smaller, manageable components allows you to build understanding progressively and apply insights effectively in real-world situations.
Keep a simple log: date, decision, criteria, chosen option, reasoning, expected outcome. Review it quarterly. You will find patterns. Some of my best decisions consistently share one feature — I gave myself 24 hours after my first instinct before committing. That single rule has improved my decision quality measurably.
Quick Reference Checklist
Sources
References
- Song, Y. et al. (2025). Frameworks to support evidence-informed decision-making in public health: a scoping review. PMC. Link
- Authors (2025). The DECIDE Framework: Describing Ethical Choices in Digital-Behavioural Data Explorations. Journal of Trial & Error. Link
- South University Library (n.d.). Models for Decision Making – Leadership. South University Library Guide. Link
- Smith School of Business (n.d.). Decision-Making Models That Keep Teams Moving. Queen’s University Insight. Link
- Creately (n.d.). 10 Decision Making Frameworks for Decisions That Drive Results. Creately Guides. Link
- McAuliffe, D. (2025). The Updated Inclusive Model of Ethical Decision Making. Ethics and Social Welfare. Link
