Final answer:
Social anxiety disorder is a mental disorder characterized by an intense fear of social situations, including public events and gatherings. People with this disorder often avoid or have difficulty with activities that involve social interaction.
Step-by-step explanation:
Social anxiety disorder is a mental disorder characterized by an intense fear of social situations. The most common fear in social anxiety disorder is the fear of public events and gatherings, as well as the fear of being judged or embarrassed by others. People with social anxiety disorder often avoid or have difficulty with activities that involve social interaction, such as speaking in public, attending parties, or even spending time with others.