During a meeting with Adrianna, Vanessa brings up a couple of issues that she thi Adrianna could improve upon. Adrianna smiles the entire time while nodding. Vanessa thinks that the constructive criticism was taken well. After the meeting, is surprised that Adrianna was upset at everything that was said to her. The mista Vanessa made was that she read Adrianna's smiling as acceptance and positivity. Smiling does not always mean happiness. What principle of nonverbal communication is illustrated in this example?