Jacob's Behavior Has Become Increasingly Odd Over the Past Several

Jacob's behavior has become increasingly odd over the past several months.He says things like "I am the frustrating!" He hears voices that tell him to steal groceries and he no longer expresses love and affection to his family.
A) Diagnose Jacob as having a disorder of emotion,thought,or self.
B) Discuss positive and negative symptoms and explain how Jacob's behavior is consistent (or inconsistent) with these terms.
C) Provide a discussion of one potential biological factor,environmental factor,and sociocultural factor that may have led to Jacob developing this disease.