Which method could you use with the Watch time report to analyze whether content formats are performing as expected?

1. Group videos by date uploaded, and dig into seasonal fluctuations in watch time performance.
2. Group videos randomly, and look for patterns that emerge across the formats.
3. Group videos by content format, and compare watch time performance from specific times of the day.
4. Group videos by each content format, and look at their watch time performance across a specific period.

Correct Answer:

• Group videos by each content format, and look at their watch time performance across a specific period.