sentences:  Because the concepts within PI are based on cultural definitions, PI is seen as being overly responsive to external conceptual influences; thus, making it potentially falsifiable.PI has been used within the realm of Health Communication studies in order to assess methods of educating, and communicating with, patients facing a variety chronic or life-threatening conditions.In 2003, Babrow received the prestigious Woolbert Award for scholarship of exceptional originality and influence from the National Communication Association for his work with PI.