Question

In making a differential diagnosis, the psychologist performing the assessment gathers data from multiple sources and completes a process that is more extensive than a screening in order to determine the 1) likelihood that the patient has one disorder as opposed to another 2) likelihood that a psychological disorder is present 3) presence or absence of an organic basis for a specific disorder 4) presence or absence of psychological factors contributing to multiple disorders

Answer 1

There is likelihood that the patient has one disorder as opposed to another

Explanation:

The Psychologist perform differential diagnosis to gather various information from multiple sources and also performs an extensive screening  because

• In many cases the symptoms of two psychological disorder may be the same