Cognitive functioning can be assessed with performance-based assessments such as neuropsychological tests and with interview-based assessments. Both assessment methods have the potential to assess whether treatments for schizophrenia improve clinically relevant aspects of cognitive impairment.

Keefe RSE, Davis VG, Spagnola NB, Hilt D, Dgetluck N, Ruse S, Patterson TD, Narasimhan M, Harvey PD. Reliability, validity and treatment sensitivity of the Schizophrenia Cognition Rating Scale.  European Neuropsychopharmacology, 2015; 25: 176-184.