Holland Career-Interest Theory Deep Assessment
Based on Holland's career interest theory, help you discover the most suitable side hustle direction through systematic assessment
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About Holland Career Interest Theory
Holland Career Interest Theory was proposed by John Holland, a psychology professor at Johns Hopkins University, in 1959. The theory suggests that individuals have different personalities, and personality types, interests, and careers are closely related. Interest is a powerful driving force for human activities. When an individual's personality traits are highly consistent with their work characteristics, they will perform better in their work.
Theory Core
The theory categorizes personality into six types: Realistic, Investigative, Artistic, Social, Enterprising, and Conventional, emphasizing that individual career choices should be combined with their own interest traits for systematic exploration. Through Holland codes, personality traits are associated with occupational classifications, with six types forming a hexagonal structure in two-dimensional space with three relationships: adjacent, separated, and opposite.
Six Career Interest Types
Preference: Prefer practical technical operations
Traits: Steady, calm, practical, rule-following, not sociable
Willing to use tools for operational work, strong hands-on ability, agile and coordinated. Prefer specific tasks, not good at words, conservative, modest. Lack social skills, usually prefer to work independently.
Typical Careers: Mechanical operators, engineers, manufacturing workers, agriculture, technical occupations (computer hardware personnel, photographers, drafters, mechanical assemblers), skilled occupations (carpenters, chefs, technicians, repairers, farmers, general labor)
Preference: Prefer thinking and organizational activities
Traits: Curious, independent, analytical, creative
Thinkers rather than doers, strong abstract thinking ability, strong thirst for knowledge, willing to use their brains, good at thinking, unwilling to do hands-on work. Like independent and creative work. Knowledgeable, have academic ability, not good at leading others. Consider problems rationally, like precision, like logical analysis and reasoning, constantly explore unknown fields.
Typical Careers: Laboratory personnel, scientific researchers, teachers, engineers, computer programmers, doctors, systems analysts
Preference: Prefer artistic and innovative ways to express their talents
Traits: Innovative, imaginative, idealistic, emotional
Creative, enjoy creating novel and unique results, eager to express their personality and realize their value. Work idealistically, pursue perfection, not practical. Have certain artistic talent and personality. Good at expression, nostalgic, relatively complex mentality.
Typical Careers: Art (actors, directors, art designers, sculptors, architects, photographers, advertising producers), music (singers, composers, conductors), literature (novelists, poets, playwrights)
Preference: Prefer activities that help and serve others
Traits: Kind, sociable, understanding
Like to interact with people, constantly make new friends, good at talking, willing to teach others. Care about social issues, eager to play their social role. Seek broad interpersonal relationships, value social obligations and social morality.
Typical Careers: Educators (teachers, education administrators), social workers (counselors, public relations personnel), medical work
Preference: Prefer verbal communication and activities that show their talents
Traits: Confident, ambitious, energetic, power-seeking
Pursue power, authority and material wealth, have leadership ability. Like competition, dare to take risks, ambitious. Practical, used to measure the value of things by gains and losses, rights, status, money, etc., have strong purpose in doing things.
Typical Careers: Project managers, sales personnel, marketing managers, government officials, business leaders, judges, lawyers, public relations personnel
Preference: Prefer planned activities directed by others
Traits: Obedient, efficient, practical, inflexible
Respect authority and rules, like to work according to plans, careful, organized, used to accept others' command and leadership, do not seek leadership positions. Like to focus on practical and detailed situations, usually cautious and conservative, lack creativity, do not like adventure and competition, have self-sacrifice spirit.
Typical Careers: Secretaries, office personnel, recorders, accountants, administrative assistants, librarians, cashiers, typists, investment analysts
Internal Relationships of the Six Types
The six types divided by Holland are not parallel with clear boundaries. He used a hexagon to indicate the relationships between the six types:
Adjacent Relationship
Such as RI, IR, IA, AI, AS, SA, SE, ES, EC, CE, RC and CR. Individuals of these two types have more commonalities. Realistic R and Investigative I people both do not prefer interpersonal communication, and both occupational environments have fewer opportunities for human contact.
Separated Relationship
Such as RA, RE, IC, IS, AR, AE, SI, SC, EA, ER, CI and CS. Individuals of these two types have fewer commonalities than adjacent relationships.
Opposite Relationship
Types at opposite positions on the hexagon are opposite relationships, such as RS, IE, AC, SR, EI and CA. Opposite personality types have few commonalities, so it is rare for a person to be very interested in both occupational environments in opposite relationships.
Theoretical Value
Side hustle interest is the most important factor in side hustle choice and a powerful spiritual force. Side hustle interest tests can help individuals clarify their subjective orientation, so as to get the most suitable activity situation and give the maximum ability input. When the side hustle an individual engages in matches their side hustle interest type, the individual's potential can be fully utilized, and work performance is more significant.