Classification & diagnosis of schizophrenia

Using an example of each, explain the difference between positive and negative symptoms of schizophrenia.

For each description in Table 1, choose a term from Table 2 which best represents that description.

For each description, write the correct letter alongside the relevant term in your answer book.

What terms are used by psychologists to describe A and B below?

A When a person has two or more disorders at the same time.

B When two different disorders have a symptom in common.

In your answer book, write the relevant term alongside each letter.

Briefly outline and evaluate one study of validity in relation to diagnosis of schizophrenia.

Name and briefly outline one negative symptom of schizophrenia.

In the context of schizophrenia, outline what is meant by co-morbidity.

Explain how symptom overlap might lead to problems with the diagnosis and/or classification of schizophrenia.