iRubric: TED Talk Speech Evalution rubric

Speak conversationally from your knowledge of the topic (not from notes or memorized script)

Project your voice at a clear and comfortable volume appropriate for the size of the room/audience

Use silent pauses between points, avoid fillers such as 'um, ah, uh, like, you know, etc.'

Use supportive gestures; move with purpose (avoid pacing and distracting movement)

Maintain a professional (i.e., appropriate), organized, and well-prepared delivery throughout

End with Impact

Visuals are appropriate/relevant. Not too overstated or understated.