Which of the following are positive signs and symptoms of schizophrenia?

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E6 Kaplan Sadock's Synopsis of Psychiatry-2022 (pp 1-3768 of 3768) p. 1091-1093
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) pp. 4730-4732, 4731-4733
Practise the full PGIMER Sangrur NO - 2023
Attempt every question from this paper in a timed mock, then review the full solution for each one.