Articles about personality type systems: where they come from, how they work and what their tests show. Each article covers one system.
3 articles
One old idea about how people differ grew into several systems that sort people into types. This article follows where they split, what research found and what a test result can tell you.
, 14 min readWhere the Enneagram came from, who built the nine types, and what happened when psychologists put it to the test.
, 14 min readA pastor's counseling notes grew into a bestselling relationship book. Here's how the idea took shape, what researchers tested, and what couples can still take from it.
, 10 min read