Commitment and Consistency

persuasion principle

01 Definition

Commitment and Consistency meaning: People tend to act in line with earlier commitments they have made, especially public ones.

Commitment and consistency is the tendency to behave in ways that match previous choices and stated positions. In marketing, getting a small initial yes, such as a free signup, makes a larger later action feel consistent and more likely. Public or written commitments strengthen the effect.

Also called

foot-in-the-door

Why it matters

How Commitment and Consistency fits the work

A small first commitment can make a bigger, related action feel natural and consistent later, which is why many funnels start with a low-effort step before a larger ask.

In context

After users completed a short free profile, they were far more likely to finish the fuller setup, since it felt consistent with starting.

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Practical note

Coercing commitments or trapping people with earlier choices breeds resentment. Ethical use lets each step be genuinely voluntary and easy to reverse, so consistency is a choice, not a trap.