The invention concerns a vocational aptitude testing method and device for detecting the aptitudes and interests of subjects having various cognitive abilities to a range of activities, that makes it possible to select at least one task among a library of tasks, provide instructions regarding the at least one task to the subject, provide at least one stimulus of the at least one task to the subject, detect at least one action by the subject in response to the at least one stimulus, and perform at least one of collecting, processing, presenting, transmitting, and displaying data obtained from the test subject's response.