The answer to this question is Surveys
Survey is the data collecting method that easy to be done because it collect informations from wide variety group of people, especialy after the development of internet. Not only that, these type of data usually could target questions that usually private and unable to be told in public.
Answer: Positive
Explanation:
Sharda is experiencing positive symptoms of schizophrenia, which makes it difficult for her to differentiate between what is real and what is not real and making her to be delusional. Positive symptoms of schizophrenia includes; hallucinations, delusions, a person slight or fully losing touch with reality.