Book 1 (15 Gems): Foot-in-the-Door Technique, Category Size Bias, Choice Paradox, Choice-Supportive Bias, Centre-Stage Effect, Status Quo Bias, Social Default Bias, Availability Heuristic, Anchoring Bias, Picture Superiority Effect, Scarcity Bias, Peak-End Rule, Inaction Inertia Effect, Trivialisation Effect, Prosocial Effect

Book 2 (15 Gems): Fresh Start Effect, Goal-Gradient Effect, Motivating-Uncertainty Effect, Zeigarnik Effect, Nostalgia Effect, Lucky Loyalty Effect, Sunk Cost Fallacy, Endowment Effect, IKEA Effect, Confirmation Bias, Present Bias, Optimism Bias, Hedonic Adaptation, Negativity Bias, Bottom Dollar Effect

“Simple, concise, yet an effective digest of behavioural science”

“A vital addition to my business library”

“The best value gems on the market”

The Product Gems books distil research from hundreds of behavioural science papers and case-studies published by leading institutions around the globe into bite-size “gems” that demonstrate the key techniques used by the most innovative companies to build products people love.

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