Undergraduates completed the Fundamental Interpersonal Relations Orientation-Behavior (FIRO-B) test under each of 3 instructional sets: "normal condition" (honest responses), "fake good," and "fake bad." The profiles were then given to clinical psychologists for independent blind interpretations. Results reveal that the FIRO-B is susceptible to faking. (PsycINFO Database Record (c) 2006 APA, all rights reserved). © 1975 American Psychological Association.