only in an experimental psychology paper can you find...

"The media were demonstrated by having the participants solve three simple communication tasks by means of video telephone, hands-free telephone, and text chat. Face-to-face (F-t-f) was assumed familiar."

Schliemann, T., Asting, T., Følstad, A., & Heim, J. (2002). Medium preference and medium effects in person-person communication. In CHI '02 extended abstracts on Human factors in computing systems (pp. 710-711). Minneapolis, Minnesota, USA: ACM. doi: 10.1145/506443.506559