your best friend refuses to go out because she is afraid that she will say or do the wrong thing. social situations make her heart rate accelerate and she tends to avoid shopping malls, public transportation, tunnels, and restaurants. your friend may be suffering from:

When a researcher debriefs her participants, she: provides a detailed explanation of the study. removes their undergarments. tells them they can stop taking part at any time. provides an detailed explanation of the study, and tells them they can stop taking part at any time.