Prepare and deliver an effective presentation

@article{Thawani2013PrepareAD,
  title={Prepare and deliver an effective presentation},
  author={Rajat Thawani and Arjun Ravishankar and Rohan Shad},
  journal={BMJ},
  year={2013},
  volume={347}
}
Following a few simple rules can make a preparing a presentation easy 

References

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Lectures: electronic presentations versus chalk and talk – a chemist’s view.
An extensive survey of undergraduate Chemistry lectures from years 1-4 during 2004- 2005 has been undertaken. They were categorised according to the method used for delivery, where category 1 used
PowerPoint or chalk and talk: Perceptions of medical students versus dental students in a medical college in India
TLDR
It appears that in the hands of a trained teacher any teaching aid would be appropriate and effective and highlight the need for formal training in teaching technologies to develop good presentation skills and thus motivate the students.