Measurement
AHS-Pro: Adolescent Health Survey: DSM-III-R Prodromal section
Reference and/or access link:
McGorry, P. D., McFarlane, C., Patton, G. C., Bell, R., Hibbert, M. E., Jackson, H. J. and Bowes, G. (1995). The prevalence of prodromal features of schizophrenia in adolescence: a preliminary survey. Acta Psychiatrica Scandinavica, 92(4), 241-249.