Katharine Cook Briggs

Katharine Cook Briggs was an American writer and psychological theorist who developed the Myers–Briggs Type Indicator with her daughter, Isabel Briggs Myers.

Isabel Briggs Myers: An American writer who co-created the Myers–Briggs Type Indicator with her mother, Katharine Cook Briggs. Briggs’s daughter, collaborator, and the principal developer who carried their project forward.
Myers–Briggs Type Indicator: A self-report questionnaire that classifies preferences across four pairs of psychological dimensions. The assessment Briggs and Myers developed from their study of personality types.
Introversion and extraversion: A distinction between inwardly oriented and outwardly oriented patterns of attention and engagement. Jung’s attitude distinction became one of the central contrasts in the typology Briggs studied.
Type theory: The claim that people can be grouped into discrete psychological categories rather than described only by continuous traits. Briggs’s work helped bring a Jungian version of this approach into a widely used assessment.
Carl Jung: A Swiss psychiatrist who founded analytical psychology and proposed a theory of psychological types. His theory supplied the central framework Briggs and Myers adapted.
Psychological Types: A 1921 book by Carl Jung proposing psychological types based on attitudes and functions of consciousness. Briggs encountered Jung’s theory in this work and used it as a foundation for her own typology.
Cognitive functions: Jung’s categories for ways the mind perceives information and makes judgments. Briggs’s account of personality types drew on Jung’s functions of sensation, intuition, thinking, and feeling.
Psychometrics: The science of measuring psychological characteristics through tests and statistical methods. The indicator’s development raised questions about how personality categories should be measured.
Myers family: An American family whose members developed and promoted the Myers–Briggs Type Indicator. The family context links Briggs’s theorizing to Myers’s later work on the indicator.
Analytical psychology: A school of psychology founded by Carl Jung, emphasizing the unconscious, archetypes, and individuation. Jung’s broader psychological project framed the type theory Briggs adopted.

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