AP BIOLOGY

Detailed explanation-1: -The majority of viewers want informational and instructional videos to be less than 20 minutes, with a preference toward the 3-6 minute ranges.

Detailed explanation-2: -Thirty to sixty seconds is ideal for a presentation video. It adds a multi-sensory element to the presentation, breaks it up nicely, and keeps people interested in the content. It doesn’t look professional (or seamless) to minimize a presentation and to bring up a separate video on your computer.

Detailed explanation-3: -Ideally, the optimal length there is between nine to 15 seconds although you can do 60 seconds in total. If you don’t upload the video natively, however, you can exceed the 60-second mark. But, again, make sure you know how to hold your audience’s attention if you want to play with longer videos.