The Library
A considered collection.
Study Studio
Read.
Apply.
Understand.
Bring the book into focus with chapter practice, lectures and a spreadsheet workspace.
Explore Study StudioKnowledge,
without a gate.
Free books and research papers, ready to read online.
Open readingAssessments
A closer look
at yourself.
The Temperament Map
Map your core temperament across openness, conscientiousness, extraversion, agreeableness and emotional stability. Understand how your personality shapes discipline, ambition, relationships, learning, stress and decision making.
Cognitive Bias Profile
A behavioural economics profile of anchoring, confirmation bias, availability, and status quo thinking.
Ethical Decision-Making Profile
A reflective profile of fairness, responsibility, manipulation awareness, and welfare tradeoffs.
Financial Decision-Making Profile
A practical profile of risk, loss discipline, confidence, and long-term financial judgment.
Judgment Under Uncertainty Test
A structured test of probability reasoning, evidence quality, tradeoffs, and incentive awareness.
Self-Mastery and Discipline Profile
A practical profile of routines, impulse control, consistency, and emotional regulation.
An independent
academic house.
Doktorinn Academy brings together the books, academic work and private study tools of Dr. Erlendur Ingi Jónsson.
Meet the author