Knowledge Base

Based on Jung's cognitive functions theory and Myers-Briggs Type Indicator (Myers et al., 1998)

The most validated personality model in psychology, based on decades of lexical research (Costa & McCrae, 1992)

Nine personality types exploring core motivations and growth paths (Riso & Hudson, 1999)

Behavioral assessment model for communication and work styles (Marston, 1928)

Twelve universal archetypes — Hero, Sage, Creator and more — drawn from Jung's theory of the collective unconscious

The four classical temperaments — Sanguine, Choleric, Melancholic, and Phlegmatic — and how they map to modern personality dimensions

The three socially aversive traits — narcissism, Machiavellianism, and psychopathy — measured on the validated Short Dark Triad (SD3) scale

Where you fall on the Type A–Type B behavior spectrum: pace, drive, competitiveness, and patience

High-sensitivity patterns based on Elaine Aron's DOES framework — Depth of processing, Overstimulation, Emotional reactivity, and Sensing the subtle

A candid look at the behaviors that quietly sabotage relationships and self-image

The shortest validated Big Five measure — 10 items covering all five OCEAN traits (Gosling, Rentfrow & Swann, 2003)

120 public-domain items measuring the Big Five across 30 facets — a free representation of the NEO-PI-R (Johnson, 2014)

Holland's vocational personality types for career matching (Holland, 1997)

Career compatibility assessment based on vocational psychology research

Based on the Dreyfus model of skill acquisition (Dreyfus & Dreyfus, 1980)

Success factors for sustainable freelance career (Burke, 2015)

Research-based dimensions of remote work preferences and productivity (Golden & Veiga, 2005)

Key behaviors that significantly impact productivity and performance (Claessens et al., 2007)

Emotional intelligence competencies that predict job performance beyond IQ (Goleman, 1995)

Reflects the three common patterns people describe when burnout sets in: emotional exhaustion, distance from work, and a drop in personal effectiveness.

Chapman's framework for understanding how people express and receive love (Chapman, 1992)