The Praise Paradox: Why Compliments Kill High Performance

The "Sandwich Method" of feedback is failing you. Data shows that while novices need praise to confirm their commitment, experts need criticism to gauge their progress—and mixing the two satisfies neither.


Introduction

The “Sandwich Method” of balancing a slice of criticism with two slices of praise to soften the blow is an orthodox management tactic. It feels safe, polite, and “balanced.”

However, extensive research in 1996 by Kluger & DeNisi found that feedback intervention, whether positive or negative, reduced performance in 38% of cases. This is because leaders often view feedback as a one-size-fits-all tool rather than a dial that requires calibration to the recipient’s expertise.

The Expertise Split

2012 research by Finkelstein & Fishbach demonstrates that novices and experts process feedback through entirely different mental lenses.

For the novice, since they are new to the role, they are in a commitment phase where they are evaluating whether the job is for them.

For experts, the question is not whether they belong, but instead revolves around evaluating their progress.

The impact of feedback is flipped. Positive feedback increases motivation for novices but harms experts. Negative feedback demoralises novices but boosts the motivation of experts.

Why Experts Crave Criticism

While it is assumed that high-performance employees want recognition, in reality, they prefer gap analysis.

Finkelstein & Fishbach’s research revealed that as employees gain expertise, positive feedback is no longer a sign of encouragement, but a signal that they have “arrived.” A psychological phenomenon known as coasting takes effect: employees feel that they have achieved enough, so they take their foot off the gas.

Experts prefer negative feedback because it signals a progress gap. It helps them understand exactly where they are failing to meet expectations and creates a roadmap for improvement.

Why Novices Need Cheerleaders

On the other hand, constructive criticism for a new hire can be a mistake. Often, novices are insecure about their status. Negative feedback can be interpreted as a sign that they should quit.

Novices need positive reinforcement—not to stroke their ego, but to confirm they are on the right path.

The Sandwich Failure

This phenomenon explains why the sandwich method fails: it is the worst of both worlds.

For a novice, the criticism confirms their worst fear, causing them to disengage and ignore the praise. For an expert, praise triggers the coasting effect and drowns out the crucial critique. Ultimately, it creates no urgency for change.

Conclusion

When a leader is managing a junior employee, positives must be emphasised. The primary job is to build the belief that they belong in the room. However, for veterans, cut the fluff; they already know they belong. Criticism enables them to know what they are missing and improve.

 

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