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Psychology & Behavior

Multiple Tendencies

Model #0949Category: Psychology & BehaviorSource: Charlie MungerDepth to apply:

By Updated

4 min read

Contents

  1. 1. Core Idea
  2. 2. How to See It
  3. 3. How to Use It
  4. 4. Founders & Leaders
  5. 5. Connected Models
  6. 6. One Key Quote
  7. 7. Summary & Further Reading
Psychology & Behavior
Section 1

Core Idea

Multiple Tendencies refers to the reality that human behaviour is rarely driven by a single psychological force. At any given moment, several cognitive biases, emotional drives, and social pressures operate simultaneously — sometimes reinforcing each other, sometimes cancelling out, and sometimes combining to produce effects that no single tendency could produce alone. The concept is central to Munger's framework: understanding one bias in isolation is useful but insufficient. The real power — and the real danger — comes when multiple tendencies converge on the same decision. A founder might be simultaneously experiencing commitment bias (they've been working on this for years), social proof (other startups are raising), optimism bias (they believe their market is bigger than it is), and incentive-caused bias (their compensation is tied to milestones). Each tendency alone might be manageable; together they produce what Munger calls a "lollapalooza effect" — an outcome far more extreme than any single tendency would predict.

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Section 2

How to See It

Decision-Making
You're seeing it when a decision feels overwhelmingly obvious to everyone in the room — so obvious that no one questions it. That unanimity is often the signature of multiple tendencies converging: social proof, authority bias, and commitment consistency all pushing in the same direction and suppressing dissent.
Culture
You're seeing it when an organisation develops a strong culture that simultaneously produces exceptional cohesion and dangerous blind spots. The culture activates liking bias, ingroup bias, commitment consistency, and social proof at the same time — creating both the strength and the vulnerability.
Section 3

How to Use It

When analysing any important decision, don't stop at identifying one bias. Map out all the psychological tendencies at play — for yourself, your team, and your counterparties. Look specifically for convergence: where are multiple tendencies pointing in the same direction? Convergence amplifies the effect and should trigger heightened scrutiny, not increased confidence.
Decision filter
"How many separate psychological tendencies are pushing me toward this conclusion — and am I confusing the convergence of biases with the strength of the evidence?"
As a founder
Before any major decision, conduct a "tendency audit." List every psychological force — biases, incentives, social pressures, emotional states — that might be influencing your judgement. When you find three or more pointing in the same direction, treat that convergence as a warning sign rather than a confirmation. The more tendencies align, the more likely you're being pushed rather than reasoning.
Section 5

Founders & Leaders

Benjamin FranklinFounding Father and polymath
Franklin was perhaps the earliest systematic thinker about multiple tendencies in decision-making. His famous "moral algebra" — listing pros and cons, then crossing out items of equal weight on each side — was an attempt to disentangle the multiple forces pulling him in different directions. Franklin understood that any important decision involves competing psychological pressures, and that the mind's natural tendency is to collapse them into a single feeling of certainty. His method forced each tendency into the open where it could be weighed independently. For founders, Franklin demonstrates that the discipline of separating multiple tendencies is itself a competitive advantage in decision quality.
Section 7

Connected Models

Reinforces
Lollapalooza
Lollapalooza describes the extreme outcomes that occur when multiple tendencies converge. Multiple Tendencies is the underlying mechanism — the lollapalooza effect isn't a separate force but the emergent result of several standard tendencies operating simultaneously on the same decision.
Pairs-with
Cognitive Dissonance
Cognitive Dissonance arises when beliefs conflict. Multiple Tendencies often creates the conflict — when several psychological forces pull in different directions, the resulting dissonance can either freeze decision-making or produce rationalisation that resolves the tension without addressing the underlying issue.
Tension
Incentive-Caused Bias
Incentive-Caused Bias is one of the most powerful single tendencies. The tension with Multiple Tendencies is that incentives can be so strong they dominate all other tendencies — or they can combine with other tendencies to produce effects far beyond what incentives alone would cause.
Section 8

One Key Quote

"An investment in knowledge pays the best interest."
— [Benjamin Franklin](/people/benjamin-franklin)
Section 11

Summary & Further Reading

Multiple Tendencies refers to the simultaneous operation of several psychological biases, drives, and social pressures on any given decision. The danger isn't any single tendency but their convergence — when multiple forces align, they produce outcomes far more extreme than any one bias alone. Counter it by mapping all active tendencies before major decisions and treating convergence as a warning sign rather than confirmation.

Leaders who apply this model

Playbooks and public thinking from people closely associated with this idea.

PersonCharlie Munger

Vice Chairman of Berkshire Hathaway and Warren Buffett's partner for 60+ years.

Why this matters next

mental modelsIncentives

Multiple Tendencies applied the Incentives mental model

mental modelsIncentive-Caused Bias

Multiple Tendencies applied the Incentive-Caused Bias mental model

mental modelsQuality

Multiple Tendencies applied the Quality mental model

mental modelsAuthority Bias

Multiple Tendencies applied the Authority Bias mental model

mental modelsIngroup Bias

Multiple Tendencies applied the Ingroup Bias mental model

mental modelsLollapalooza

Multiple Tendencies applied the Lollapalooza mental model

Frequently asked questions

What is Multiple Tendencies?

Multiple Tendencies is a mental model used for better thinking and decision-making.

How do you apply Multiple Tendencies?

To apply Multiple Tendencies, identify situations where this framework is relevant, then use it as a lens to evaluate your options and decisions. The model is most useful when combined with other complementary mental models.

What category does Multiple Tendencies fall under?

Multiple Tendencies falls under the Psychology & Behavior category of mental models. Other models in this category can be found on the Psychology & Behavior hub page.

Why is Multiple Tendencies important?

Multiple Tendencies is important because it provides a structured way to think about problems that would otherwise be approached with intuition alone. Understanding this model helps you avoid common reasoning errors and make better decisions.

Where does Multiple Tendencies come from?

Multiple Tendencies is discussed in the tradition of Charlie Munger.

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