Factor analysis of the Scale of Prodromal Symptoms: data from the Early Detection and Intervention for the Prevention of Psychosis Program
Early Intervention in Psychiatry2014Vol. 11(1), pp. 14–22
Citations Over Time
Ivy F. Tso, Stephan F. Taylor, Tyler Grove, Tara A. Niendam, Steven Adelsheim, Andrea M. Auther, Barbara A. Cornblatt, Cameron S. Carter, Roderick Calkins, J. Daniel Ragland, Tamara Sale, William R. McFarlane
Abstract
The empirical factors of the SOPS showed similarities and notable differences compared with the existing SOPS structure. Regrouping the symptoms based on the empirical symptom dimensions may improve the diagnostic validity of the SOPS. Relative prominence of the factors and symptom frequency support early identification strategies focusing on positive symptoms and distress. Future investigation of long-term functional implications of these symptom factors may further inform intervention strategies.
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