Briggs embarked on a project of reading biographies, and subsequently developed a typology wherein she proposed four temperaments: meditative (or thoughtful), spontaneous, executive, and social.ДЄfter the English translation of Jung's book Psychological Types was published in 1923 (first published in German in 1921), she recognized that Jung's theory was similar to, but went far beyond, her own.:22 Briggs's four types were later identified as corresponding to the IXXXs, EXXPs, EXTJs and EXFJs. Upon meeting her future son-in-law, she observed marked differences between his personality and that of other family members. Katharine Cook Briggs began her research into personality in 1917. The four scales used in the MBTI have some correlation with four of the Big Five personality traits, which are a more commonly accepted framework. not measuring what it purports to measure, not having predictive power or not having items that can be generalized), poor reliability (giving different results for the same person on different occasions), measuring categories that are not independent (some dichotomous traits have been noted to correlate with each other), and not being comprehensive (due to missing neuroticism).

'The underlying assumption of the MBTI is that we all have specific preferences in the way we construe our experiences, and these preferences underlie our interests, needs, values, and motivation.'ДЄlthough popular in the business sector, the MBTI exhibits significant scientific (psychometric) deficiencies, notably including poor validity (i.e. The MBTI was constructed for normal populations and emphasizes the value of naturally occurring differences. It is based on the conceptual theory proposed by Carl Jung, who had speculated that humans experience the world using four principal psychological functions вЂ“ sensation, intuition, feeling, and thinking вЂ“ and that one of these four functions is dominant for a person most of the time. The MBTI was constructed by Katharine Cook Briggs and her daughter Isabel Briggs Myers. The MyersвЂ“Briggs Type Indicator (MBTI) is an introspective self-report questionnaire with the purpose of indicating differing psychological preferences in how people perceive the world around them and make decisions.

Myers briggs validity and reliability