1. Dimensions and the psychosis phenotype;Allardyce;Int. J. Methods Psychiatr. Res.,2007
2. The Scale for the Assessment of Positive Symptoms (SAPS);Andreasen,1984
3. The Scale for the Assessment of Negative Symptoms (SANS);Andreasen,1984
4. Diagnostic Criteria for Functional Psychoses;Berner,1992
5. Statistical Power Analysis for the Behavioral Sciences;Cohen,1988