The Psychology of Data Visualization: Cognition, Perception & Persuasion 

The sound is too low but the presentation is great ! Thank you very much !😃

Very low audio levels. That's a shame! Hard to hear the presentation!

Wonderful, but the sound is SO LOW I need to crank up the sound to max, but if something else starts on my pc, the whole neighborhood can hear it :(

thank you mam for making this video

Fantastic presentation.

❤❤❤❤❤❤❤❤

great presentation; horrible audio!