No. 322 · Your own mind · Human Nature and Judgement
Bandwagon Effect
The more people do something, the more others join in, whatever the evidence.
In the Almanac
“Dan Rice’s bandwagon”, 1848 · “TikTok”, 2018–2021
Both stories in full, three ways to use it and where it misleads.
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Questions
What is Bandwagon Effect?
The bandwagon effect is our tendency to adopt beliefs, trends or behaviours simply because others already have. It is self-reinforcing: the more people join, the more compelling joining feels, which is why ideas can spread quickly even when the evidence behind them is thin.
How do you use Bandwagon Effect?
Before you follow the crowd, ask: would I still want this if no one else were doing it? Treat popularity as a signal to investigate, not as proof. You can also put the effect to good use by surrounding yourself with people who already practise the habits you want to build.
When does Bandwagon Effect matter?
Bandwagon Effect is one of the 31 mental models for your own mind, the situations where you ask: Is my own thinking leading me astray? Within that, it belongs to “Comparing, following and drifting”, alongside Gateway Drug Theory, Grass is Greener Mentality and Relativity.
What is an example of Bandwagon Effect?
Two stories show it at work: Dan Rice’s bandwagon (1848) and TikTok (2018–2021). Both are told in full in The Mental Models Daily Almanac, which has two stories for each of its 365 models.
Which mental models are related to Bandwagon Effect?
Social Proof, Groupthink and Bandwagon Fallacy. Bandwagon Effect itself comes from human nature and judgement.