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The Type Error

This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.

State

It is an error to treat personality as a set of discrete types rather than as continuous dimensions.

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Scores on introversion-extraversion form one continuous distribution with most people near the middle, not two clusters.

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Type sorting is popular because it is memorable. Splitting a continuous scale at its midpoint discards most of the information.

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