These questions come from the Liebowitz Social Anxiety Scale (LSAS), and help to measure the possibility of Social Anxiety Disorder.
Each question asks you to rate your degree of fear and how often you avoid the given situation.
Liebowitz. "Test for Social Anxiety Disorder." Test for Social Anxiety Disorder. Columbia University Medical Center, n.d. Web. 13 Nov. 2014.
Rytwinski, N. K.; Fresco, D. M.; Heimberg, R. G.; Coles, M. E.; Liebowitz, M. R.; Cissell, S.; Stein, M. B.; Hofmann, S. G. (2009). "Screening for social anxiety disorder with the self-report version of the Liebowitz Social Anxiety Scale". Depression and Anxiety. 26 (1): 34–38.