Harp, N., Langbehn, A. T., Larsen, J., Niedenthal, P., & Neta, M. (2022). Facial coverings differentially alter valence judgments of emotional expressions. PsyArXiv. https://doi.org/10.31234/osf.io/5a9fd

When in class it is good to see people agreeing with you it could be a smile or even a nod. With zoom it doesn't really work although there are some alternatives we can never have that same feeling.

This is very powerful and helping with the idea of how important non verbal communication is, because most times, unless shown, you have no idea how someone is feeling

75% of communication is nonverbal. Therefore, how you use your body and your voice are as important as what you say, the content of the speech.

Hears, listens, and ENGAGES with the speaker.

The nonverbal aspects of public speaking are just as important as the verbal arguments.

Watzlawick, Bavelas, and Jackson in "The pragmatics of Human communication lists five axioms. The first axiom is "one cannot not communicate" or that every human behavior is a form of communication. Nonverbal communication is its own discipline in communication studies.