What technique, formalized in the late 1940s, relies on evoking stress related to comparison questions?

Answer

Control Question Technique (CQT)

The Control Question Technique (CQT) was formalized by John E. Reid in the late 1940s and relies on evoking stress associated with deception relative to control questions.

What technique, formalized in the late 1940s, relies on evoking stress related to comparison questions?
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