Strong Interest Inventory™

    • Overview
    • Buying Instruments & Books
    • Certification Programme
    • Case Study
    • Sample Reports
  • Strong Interest Inventory™

    For over 85 years, the Strong Interest Inventory® instrument has provided time-tested, research validated insights to help individuals in their search for a rich, fulfilling career. As one of the most respected and widely used career exploration assessments in the world, it has been used extensively in educational institutions and organisations of all sizes.


    Please take a moment to view this video to learn about the Strong Interest Inventory™ instrument.

    Overview of the Strong Interest Inventory™

    For providing a theoretical structure to the Strong, in 1974 John Holland’s psychology-based codes were incorporated into the instrument. Holland’s theory is based on four main assumptions:


    In our culture, most people can be categorised into six Themes and each person may be characterised by one Theme or some combination.

    Job environments can be divided into these same six Themes and each environment is dominated by a particular type of person. Thus, the personality types of co-workers, as much as job requirements, establish the working tenor of a given occupation.


    People search for environments that let them exercise their skills and abilities, express their attitudes and values, take on problems and roles they find stimulating and satisfying and avoid chores or responsibilities they find distasteful or formidable.
    Behaviour is determined by an interaction between a person’s personality and the characteristics of his or her working environment. Factors such as job performance, satisfaction and stability are influenced by this interaction.


    As shown below, Holland's theory organises the six Themes by placing them at the six points of a hexagon with those presumed to be the most closely related located adjacent to each other and those most dissimilar located across the hexagon from each other. The order in which they fall around the hexagon is frequently called the R-I-A-S-E-C order. The Strong is the only empirically derived RIASEC instrument.


  • Buying Instruments & Books

    The Myers-Briggs Company Pty Ltd. (The Myers-Briggs Company) is the regional distributor for the MBTI® , FIRO® , EQ-i® , TKI™ plus a wide range of other instruments. MDS manages MDS Hong Kong, MDS Beijing and MDS Taiwan. We hold a full stock of the psychometric instruments, books and booklets distributed by The Myers-Briggs Company Pty Ltd.


    To view the details of MBTI® Products please click on : 


    To view a complete Product Price List and the Order Form please click on :


    For further details please contact

    Hong Kong enquiries:
    Daniel Lee or Angela Leung on (852) 2817 6807
    ( or


    China enquiries:
    Jackie Zhang on (86 10) 8441 7710

    Taiwan enquiries:
    Vivian Chan or Carlson Leung on (886 2) 7730 3378 ext 8092
    ( or

  • Strong Interest Inventory™ Certification Programme

    On successful completion of the Strong Interest Inventory™ Certification Programme you will be registered as a certified practitioner of the Strong Interest Inventory™. You will then be able to buy and administer the instruments via MDS.


    It is possible to complete the Strong Interest Inventory ™ Certification Programme by webinar (in English only). Please contact us for details of times and arrangements.

  • SII™ Case Study

  • Strong Interest Inventory™ Sample Reports

    Strong Interest Inventory™ is available online assessment. The available reports are :


    By the way, TMBC designed iStartStrong™ Report to be used by individuals without an interpretation session (for non-Strong Interest Inventory™ facilitator). Please click below to view sample report.