“In two famous studies on what makes us like or dislike somebody,1 UCLA psychology professor Albert Mehrabian created the 7-38-55 rule. That is, only 7 percent of a message is based on the words while 38 percent comes from the tone of voice and 55 percent from the speaker’s body language and face.”

“In two famous studies on what makes us like or dislike somebody,1 UCLA psychology professor Albert Mehrabian created the 7-38-55 rule. That is, only 7 percent of a message is based on the words while 38 percent comes from the tone of voice and 55 percent from the speaker’s body language and face.”

— Chris Voss