Holland code (RIASEC)
A model of six vocational interest types, created by psychologist John Holland and used in career guidance for decades.
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How to read the code
You are not just one type. The result ranks the six types and keeps the top three, in order. An I·A·S code, for example, means stronger interest in investigating, then creating, then helping people. The order matters more than any single letter.
The types describe what you like to do. They do not say what you are capable of or how much you would earn. Use the code as a starting point to research occupations, not as a verdict.
The six types
R · Realistic
Prefers practical, hands-on activities: tools, machines, the outdoors, building or fixing things.
Areas to explore: mechanics, construction, agriculture, electrical work, applied technology.
I · Investigative
Likes to understand how things work: analysing, researching, solving complex problems.
Areas to explore: science, healthcare, engineering, data, technology.
A · Artistic
Values expression, originality and freedom to create, with little routine.
Areas to explore: design, writing, music, audiovisual, architecture.
S · Social
Likes to teach, help, care for and work with people.
Areas to explore: education, healthcare, social work, counselling, human resources.
E · Enterprising
Likes to lead, persuade, take risks and reach goals.
Areas to explore: business, sales, management, law, politics.
C · Conventional
Prefers order, clear rules, accuracy and organising information.
Areas to explore: administration, accounting, finance, logistics, operations.
How much does it help?
The interests described by this model relate well to the fields people choose. The link between interest fit and performance or satisfaction is positive but modest, according to meta-analyses such as Nye et al. (2012). Interest is one piece of the decision, alongside skills, values, the job market and circumstances.