What does the 10/20/30 rule relate to?

The 10/20/30 rule, attributed to Guy Kawasaki, is specifically focused on presentations and how to effectively communicate information. It suggests that a slide presentation should contain no more than ten slides, last no longer than twenty minutes, and use a font size of at least thirty points. This guidance emphasizes clarity and conciseness, helping to maintain the audience's engagement and ensuring that important information is visible and easily readable.

Incorporating this rule into educational settings encourages instructors to streamline content, which is vital for effective teaching and learning. It helps prevent overwhelming students with excessive information and allows them to retain key concepts more efficiently.

The other options, while relevant to teaching and presentation dynamics, do not align with the specific guidelines of the 10/20/30 rule. The rule directly addresses the structure of slide presentations rather than broader concepts like student attention span, instructor-student ratio, or group activities, making it a focused tool for anyone preparing to deliver an impactful presentation.