Definition:
A reward system in which outcomes are unpredictable, producing stronger dopamine responses than consistent or guaranteed rewards.
Usage Context:
Common in slot machines, loot boxes, social media likes, algorithmic feeds, and email notifications, and particularly impactful for people with ADHD.
Critical Note:
Variable reward systems are intentionally designed to maximize compulsion rather than satisfaction, often at the cost of autonomy and well-being.
Related Terms:
Variable Reward Schedule, Variable Reward Bias, Gamification Mechanics, Addiction Mechanics, Engagement