‘Words Can Deceive, But Tone of Voice Cannot’, https://pressroom.usc.edu/words-can-deceive-but-tone-of-voice-cannot/, USC – The University of Southern California (November 23, 2015).

Algorithm

A new computer algorithm can predict whether you and your spouse will have an improved or worsened relationship based on the tone of voice that you use when speaking to each other with nearly 79 percent accuracy. (…) What you say is not the only thing that matters, it’s very important how you say it. (…) It’s not just about studying your emotions . (…) It’s about studying the impact of what your partner says on your emotions.