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Technique · Influence

Ask right after success

Time reviews, referrals and upgrade offers for the moments right after a success: a task finished, a goal reached, an order delivered. Good feelings attach to whatever comes with them, so an ask at a high point is received more warmly than the same ask at a random time.

Evidence grade C. Limited evidence: few or small studies.ReturnPaySpread

Plain label: ask at the high pointAlso known as: luncheon technique, positive-moment ask, review after success, share at a win

How it works

Positive feelings spill over onto whatever shows up alongside them; statements people saw during a pleasant meal were approved more, and they could not tell which statements those had been. After a success, users are pleased with the product and with themselves, which makes them more willing to say yes and more generous in what they say. The success has to be real and the ask proportionate.

In the book. The luncheon technique: approval rises for whatever is paired with a pleasant experience (Ch.5, pp.146-147). INF-T-LK-21 (Influence Ch.5, p.146)

In a product [S]. Asks timed to the user's own successes.

Evidence Evidence grade C. Limited evidence: few or small studies.. Mood and association effects are real but modest; product timing tests are mostly internal.

Evidence warning

What the research says

  • In luncheon studies from the 1930s, people approved more of statements shown while they were eating and could not recall which statements those had been.

    Influence Ch.5, pp.146-147 (Razran)

  • People who had just found a coin or been given a cookie were more likely to help a stranger.

    Isen & Levin, Journal of Personality and Social Psychology, 1972

Before you start

  • The value event is tracked.

How to build it

Web
Trigger the review or referral prompt on the screen that confirms a completed project or a goal met, not at login.
E-commerce
Send the review request after delivery plus the typical first-use period, when the product has had a chance to work.
Mobile
Offer the upgrade on the "you hit your goal" screen, with what the next level adds.

What can go wrong

  • Treating trivial events as successes.
  • Showing several asks at the same high point.
  • Using a pleasant moment to rush a high-stakes decision.

Pairs well with

  • The mirror image of in-t-lk-13.
  • Pairs with GT#57: share buttons at major win-states.
  • Pairs with in-t-cc-18: ask every user, timed to their own success.

In practice

Where it shows up

Limits

What we don’t claim

Sources

  • Influence · Robert Cialdini

    Ch.5, p.146

  • Effect of feeling good on helping: cookies and kindness · Journal of Personality and Social Psychology, 1972

Source IDs: INF-T-LK-21

Book content is paraphrased, never quoted at length. Last verified October 24, 2026.

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