Rory's math teacher is handing out graded papers. while giving rory his paper, she says, "good job, keep up the good work." she then smiles at him and pats him on his back. her communication best exemplifies a(n)

congruent message

Explanation:

Congruent message is a way of communication in which all aspects of a message came in agreement with each other. These aspects include the physical, spiritual, emotional and mental nature of the message. When a speaker is congruent while delivering his message it appeals more to the listener. In the above case, Rory's math teacher uses both verbal and non-verbal messages to appreciate him and it is a classic example of Congruent communication.