Excellent presentations

confidence

smiling

avoid to mumble

gesture

Eye-contacting

DON't look at screen at whole tie

Do look at listener's eye

appropriate tones

emphasizing core part

Powerpoint

visualization(charts, graphs, etc.)

readability

additional resources

video

picture

collaboration

No free-rider

Interaction between teammates

sharing ideas

understanding group's own opinion

Sharing a thesis or goal

Clear structure

Tackle counter arguments

Using actual examples with references

Good intro

what is important?

why it is important?

Clear definition

Considering counter-argument

meaningful conclusion

questioning

suggestion