Overview of included studies.

SIPS = Structured interview for Prodromal Syndromes, SOPS = Scale of Prodromal Symptoms, CAARMS = Comprehensive Assessment of At Risk Mental States, Chron = chronic schizophrenia patients, FEP = first episode patients, FEIT = Facial Emotion Identification Test, FEDT = Facial Emotion Discrimination Test, EMODIFF = Penn Emotion Discrimination Task ATT = Abbreviated Trustworthiness Task, IPSAQ = Internal, Personal and Situational Attributions Questionnaire, MSCEIT = Mayer-Salovey-Caruso Emotional Intelligence Test, TASIT = The Awareness of Social Inference Test, RAD = Relationships Across Domains Test, DANVA-2 = Diagnostic Assessment of Non Verbal Accuracy, ANSIE = Adult Nowicki Strickland Internal External Scale, AR = affect recognition, AS = attributional style, TOM = theory of mind, SP = social perception.Overview of included studies.