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Intelligence and IQ
Brief overview of the concept of intelligence, psychometrics, and modern ways of measuring cognitive abilities.
What is TNS?
Introduction to the Triple Nine Society, its history, organizing principles, and what it has to offer to its members.
How to apply
Find out whether you qualify for admission, what needs to be in your score report, and how our application process is organized.
Rejoin TNS
Former members can rejoin the society without having to go through the application process again.