Where must a PSA be shown according to best practices?

A Public Service Announcement (PSA) is designed to reach a broad audience to effectively communicate important health messages or raise awareness about particular issues. Showing a PSA in community settings is ideal because it maximizes the potential for engagement and impact. Community settings include places where diverse groups of people gather, such as libraries, community centers, local events, and health fairs.

By being present in these environments, PSAs can reach individuals who may not have access to the internet or school settings. This approach ensures that the message is inclusive, targeting various demographics that a singular setting might not reach. Community settings also foster discussions among viewers, making the PSA more effective in generating public interest and encouraging action.

In contrast, the other options limit the PSA's reach. Showing it only in school settings restricts the audience to students and staff. Online distribution misses those who are less active on digital platforms. Private gatherings significantly narrow the audience and reduce the opportunity for community-wide impact. Therefore, community settings provide the best practice for disseminating PSAs, allowing for broad outreach and community engagement.