Category: Career Advice  |  Updated: April 2025  |  8 min read

Holland Code Career Test Explained

The Holland Code — also called the RIASEC model — is one of the most widely used career assessment frameworks in the world. Developed by psychologist John Holland in the 1950s and refined over decades of research, it organizes both people's work personalities and career environments into six categories. Matching your type to a compatible work environment is one of the most reliable predictors of career satisfaction.

The Six Holland Code Types

R — Realistic

Realistic types prefer working with tools, machines, and physical objects. They tend to be practical, hands-on, and direct. They often prefer clear, concrete tasks over abstract ideas and are frequently described as mechanically inclined.

Best careers: HVAC technician, electrician, plumber, welder, carpenter, CDL truck driver, agricultural worker, mechanic.

I — Investigative

Investigative types are analytical, intellectual, and curious. They enjoy researching, problem-solving, and working with data and complex ideas. They tend to work independently and prefer depth over breadth.

Best careers: Radiologic technologist (advanced imaging), laboratory technician, respiratory therapist, forensic science technician, medical coder, IT specialist.

A — Artistic

Artistic types value creativity, originality, and self-expression. They prefer open-ended environments over structured ones and are drawn to aesthetic and expressive work.

Best careers: Cosmetologist, graphic designer, interior designer, photographer, tattoo artist, landscape designer, theatrical makeup artist.

Pro Tip: Most people have a two- or three-letter Holland Code rather than a single dominant type. An "RIA" person (Realistic-Investigative-Artistic) might thrive as a dental lab technician — hands-on, technical, and precision-aesthetic all at once.

S — Social

Social types are people-oriented, empathetic, and enjoy teaching, counseling, and caregiving. They're drawn to work that makes a direct positive difference in others' lives and thrive in collaborative environments.

Best careers: Registered nurse, CNA, EMT/paramedic, physical therapist assistant, dental hygienist, occupational therapy assistant, school counselor, social worker.

E — Enterprising

Enterprising types enjoy leadership, persuasion, and entrepreneurship. They're often competitive, ambitious, and skilled at motivating and influencing others.

Best careers: Real estate agent, sales representative, HVAC business owner, contractor, insurance agent, store manager, marketing professional, franchise owner.

C — Conventional

Conventional types prefer structured, organized environments with clear rules and procedures. They're often detail-oriented, reliable, and comfortable with systematic data and administrative tasks.

Best careers: Medical coder, health information technician, pharmacy technician, bookkeeper, court reporter, paralegal (research-heavy roles), insurance claims adjuster.

How to Find Your Holland Code

Free Holland Code assessments are available through:

After completing the assessment, your top 2–3 letter combination (e.g., "RIS" or "SEC") becomes your Holland Code. Search the O*NET database with your code to see which occupations consistently align with your type.

Applying Holland Code to the Skilled Trades and Healthcare

The Holland Code is particularly useful for skilled trade and healthcare career decisions:

Take our Career Quiz which incorporates Holland Code principles alongside other factors to generate personalized career matches.

Ready to Start Your Career Journey?

Get matched with training programs near you — free, no obligation.