Final answer:
Individuals diagnosed with panic disorder are more likely to develop agoraphobia, which is a fear of environments that might cause panic and from which escape could be difficult.
Step-by-step explanation:
In the context of panic disorder, the individual diagnosed with this condition is more likely to develop agoraphobia as a secondary disorder. According to the research, individuals with panic disorder frequently experience a fear of places or situations from which escape might be difficult, leading to the development of agoraphobia. Panic disorders are a type of anxiety disorder, which includes a broad range of conditions such as obsessive-compulsive disorder (OCD), posttraumatic stress disorder (PTSD), and various phobias.