Jason's Law: The UX Magic of Expectation and Consistency
What Is Jason’s Law? Jason’s Law is an informal UX principle focused on harmonizing user expectations with consistent design. The idea is that users carry assumptions with them — formed from using other digital interfaces — and when those assumptions are respected, users feel confident and in control. For instance, we expect clicking a logo in the top left corner of a website to return us to the homepage. When that doesn’t happen, it creates a moment of cognitive dissonance. Jason’s Law isn’t codified in official UX literature, but it functions like an unwritten rule that helps designers make smarter, more empathetic choices. By acknowledging the patterns users rely on and ensuring consistency in layout, visuals, and behavior, designers can significantly reduce user frustration. Why Expectations Are the Foundation of Good UX Every user arrives at your app or website with a set of mental models — internal frameworks based on prior digital experiences. If someone has used three diffe...