What is the most effective method to diagnose a sudden drop in audience retention rate within a specific video?

The most effective method to diagnose a sudden drop in audience retention rate is a detailed analysis of the video's audience retention graph within YouTube Analytics. This graph visually represents the percentage of viewers who remain engaged at each point in the video. By identifying specific moments where the audience retention drops sharply, you can pinpoint the exact content or section that caused viewers to lose interest. Analyzing these drop-off points in conjunction with the video's content allows you to determine the cause, such as irrelevant information, poor audio quality, pacing issues, or a mismatch between the video's title/thumbnail and its actual content. Understanding these specific moments is key to addressing the problem and improving future video retention.