To indicate a person's temperament can mean that the assessment is providing a suggestion of what someone's temperament may be based upon that individual's description of himself. It can also mean that it points toward a temperamental preference. There are other ways, besides verbal assessments to determine temperament. Certainly trained Jungian analysts know how to determine temperament without a verbal assessment. Anyone who knows what to look for can observe temperaments in action and quite easily and accurately discover temperament in others without asking any questions at all.
Parents can use a simple set of observations to determine their child's temperamental propensities.
We even have preliminary data that indicates the probability that certain pieces of information from handwriting analysis can tell us whether someone perceives through the sensate or intuitive function and whether that function is introverted or extraverted. These non-verbal methods of determining temperament through behavioral observation can be made to be less ambiguous than verbal assessments. This greater reliability potential resides in the fact that, objective identification of a well-defined set of behaviors is less open to interpretation than subjective decisions about the meanings or intentions of words. However, non-verbal assessment isn't always practical. We've constructed the Chiasson Temperament Indicator with the intention of providing a quick and reasonably accurate indication of temperament.