A study revealed that the vocal frequency of a liar's voice tends to be higher than that of a truth- teller.

Question

Quizplus · Accepted Answer

This is a true statement supported by research on the link between vocal pitch and deception. When people are lying, they may experience nervousness or anxiety that can cause their vocal cords to tense up and result in a higher-pitched voice. However, it's important to note that this is just one potential indicator of deception and should not be used as the sole basis for determining whether someone is lying.

A Study Revealed That the Vocal Frequency of a Liar's