The Hidden Coin: Why the Size of Recognition Doesn't Matter
Extending Kumar and Epley's work on the underestimated impact of small kindnesses to workplace coins. A 3-coin lands like a 5-coin, giving pays the giver as much as getting, and four in ten employees receive nothing.
The psychologists Amit Kumar and Nicholas Epley have spent years documenting a quiet miscalibration in how people give. When someone performs a small act of kindness, a thank-you note, a compliment, a cup of hot chocolate handed to a stranger, they consistently underestimate how much it lands. The giver fixates on the modesty of the gesture. The recipient feels the warmth. The positive impact is real, and it is hidden from the person who created it.
Workplace recognition is the same gesture, made repeatedly, at scale. On Happily, an employee can give a peer "coins" worth 3 or 5. We analyzed 37,116 of those coin events across 68 companies to ask a sharper question than "does recognition help." Earlier Happily research already settled that one: recognition is the single strongest workplace predictor of well-being. The more useful question is whether its value is hidden in ways that change how people should use it.
Two findings survive rigorous testing, and both are forms of underestimation. The size of the coin is irrelevant: a 3-coin lifts well-being as much as a 5-coin. And giving pays the giver about as much as receiving pays the receiver. Meanwhile, four in ten employees go a full year without a single coin. The cheapest, most evenly helpful gesture is the one most often skipped.
Recognition programs often steer people toward big, rare, "earned" awards. The data points the other way. Frequent small recognition carries the entire effect, and the constraint is not generosity per coin, it is reach: a large share of your people are getting none. The lever is cheap and most of it is unused.
type='coin', point IN (3,5)). Self-recognition excluded. The 3-coin and 5-coin are the two standard quick-give amounts.Finding 1: the size of the coin does not matter
If recognition behaves the way givers treat it, the 5-coin (reserved for the bigger contribution) should land harder than the 3-coin people hand out casually. It does not. The cleanest test compares employees who received only 3-coins against those who received only 5-coins, so the denomination is the only thing that differs. The two groups are statistically indistinguishable on both well-being measures.
| Received | Happiness (n) | WHO-5 (n) |
|---|---|---|
| Only 3-coins | 4.002 (399) | 66.98 (197) |
| Only 5-coins | 4.001 (239) | 65.16 (127) |
| Difference | +0.002, p=0.98 | +1.82, p=0.39 |
The collinearity between how many 3-coins and 5-coins a person receives is severe (r = 0.92), so a model with both counts is uninterpretable. Instead we hold total recognition volume constant and ask whether a higher share of premium 5-coins adds anything. It does not. What predicts well-being is the volume of recognition, not its denomination.
| Predictor | Happiness | WHO-5 |
|---|---|---|
| Share of coins that are 5s | −0.015 (p=0.73) | −2.70 (p=0.09) |
| Total recognition volume | +0.0022 (p<0.001) | +0.052 (p=0.004) |
Givers behave as if a 5-coin is worth 67% more than a 3-coin. Receivers' well-being says the premium is worth nothing. The recognition that counts is the frequent, cheap gesture, which is exactly the act a giver is most likely to decide is not worth sending.
Finding 2: giving pays the giver
Recognition is almost always framed around the receiver. Kumar and Epley's work suggests the giver is also a beneficiary, and also the last to know it. We tested the giver's own well-being. Entered together, giving predicts the giver's well-being at least as strongly as receiving predicts the receiver's, across both measures.
The obvious objection is that happy, popular people simply give more and also feel better. To address it we matched each giver to comparable non-givers in the same company, with the same role, tenure, and platform activity, and crucially the same amount of recognition received. Givers still score higher.
| Outcome | β giving | β receiving | Matched giver gap |
|---|---|---|---|
| Happiness (1–5) | +0.0017 (p=0.07) | +0.0012 (p=0.01) | +0.08 |
| WHO-5 (0–100) | +0.062 (p=0.14) | +0.026 (p=0.31) | +2.6 |
People give recognition expecting to make a colleague feel good. The data says they are also helping themselves. We report this as suggestive: the regression coefficients are marginal and an observational design cannot rule out reverse causality. The matched comparison is what gives it weight, because it holds constant the recognition a person received.
Most people are getting none
If the cheap, frequent gesture is what matters and giving also benefits the giver, then under-recognition is forgone impact on both sides. It is widespread. Four in ten employees received zero peer recognition over a full year. Recognition pools on a minority: within a single company the average Gini coefficient of coins received is 0.60, and the top 10% of recipients capture 39% of all coins.
What recognition does not do
An honest account of the analysis has to include what failed, because it shaped the conclusions. We tested several stronger claims and could not support them.
- No per-event mood jolt. A within-person model predicting next-period happiness from this period's recognition, controlling for prior happiness, is null (effect near zero, p around 0.9). Recognition is not a switch that flips a person's mood for the next two months.
- No effect on eNPS. Recognition does not move within-person eNPS in any specification.
- Retention is not testable here. An exit record on this platform conflates an individual leaving with a whole company offboarding, so the raw "recognized people leave more" pattern is an engagement-and-churn artifact and disappears once activity is controlled. We do not draw a retention conclusion.
Read together, recognition behaves like a frequent, low-cost climate signal whose worth is underweighted, not a high-dosage lever you can pull once for a big effect. A small within-person association does survive (receiving, p=0.014, net of each person's own baseline), which is what keeps the cross-sectional findings from being pure selection.
What this means
The practical implications are unusually concrete, because the cheap behavior is the effective one.
| Common practice | What the data says | Do instead |
|---|---|---|
| Save recognition for big wins; reserve the 5-coin for "real" achievements | A 3-coin lifts well-being as much as a 5-coin | Recognize often with small coins. Frequency is the lever, not size. |
| Treat recognition as something you give to others | Giving predicts the giver's own well-being too | Make giving easy for everyone, not just an award managers hand down. |
| Assume recognition is flowing because the visible, active people are recognized | 40% receive nothing in a year; the top 10% take 39% | Track the distribution. Surface the people getting none. |
Limitations
- The core findings are observational. Company fixed effects, matching, and a within-person baseline reduce reverse causality but do not eliminate it. This is associational evidence consistent with a causal reading, not a randomized experiment.
- We have no survey of what givers expected versus what receivers experienced. We infer underestimation from the structure of the impact (size-irrelevance, giver parity, concentration), which is the Kumar and Epley pattern demonstrated behaviorally rather than a direct replication of their expectation-versus-experience gap.
- Per-act magnitudes are modest. The argument is that a cheap, frequent behavior is systematically misweighted, not that one coin transforms a person.
- The sample is companies and employees active on Happily with both recognition and survey usage.
References
- Kumar, A., & Epley, N. (2023). A little good goes an unexpectedly long way: Underestimating the positive impact of kindness on recipients. Journal of Experimental Psychology: General, 152(1), 236–252.
- Kumar, A., & Epley, N. (2018). Undervaluing gratitude: Expressers misunderstand the consequences of showing appreciation. Psychological Science, 29(9), 1423–1435.
- Happily Research (2026). The Hidden Coin. Internal analysis of 37,116 peer-recognition coin events, 5,041 employees, 68 companies, 360-day window.
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