The Field Guide
Practical psychology,
for using your own mind.
The Decoder explains what things mean; the Field Guide is about what to do with that knowledge. Evidence-based guides to the biases that bend your judgment, the tactics used to influence you, and the science of changing your own mind — written plainly, sourced carefully, and free of hype.
Guide 01
Cognitive Biases
The 14 mental shortcuts that quietly distort your thinking — with an interactive explorer and a defense for each.
Read → Guide 02Manipulation Defense
The persuasion tactics used to steer you — scarcity, social proof, authority — and how to see them coming.
Read → Guide 03Neuroplasticity
How the brain actually rewires itself — what the science supports, what the myths overpromise.
Read → Guide 04Mind Techniques
Small, evidence-based methods that genuinely work — for focus, habits, learning, and calm.
Read →