Open your eyes and put on your ears. please pay attention.
Please raise your hand if you have any questions.
Many educators will run through this routine at the beginning of a lesson.
Most people will work with portable projectors on the desktop, and of course PowerPoint presentations.
But do we really give classes to students as we should?
The most effective PowerPoint presentation should contain no more than 10 slides for a duration of no more than 20 minutes and a font of no less than 30 points.
It follows the PowerPoint 10/20 rule of Guy Kawasaki 2005/30.
It also comes with CASPER (
Contrast, align, simple, close, emphasize, and repeat).
As educators, we are taught logical reasoning and express our thoughts in a way that is intended to inform and motivate the audience if necessary.
Gaskins and Austin developed a program "host" for software company Forethought, Inc"
When microsoft bought the rights to PowerPoint in 1987, I didn't realize that they caused the collapse of world civilization to some extent.
The art of public speaking almost collapsed.
In addition to the ceremony speech, the traditional speech has disappeared.
PowerPoint presentation is a technology of equality and democracy.
The time has passed for the Speaker to organize their materials and master the art of acquiring and keeping the audience's attention.
Today, as long as you can put a boring slide together, you can flourish even if you are illogical and articulate.
There seems to be little thought about the organization of the PowerPoint presentation.
All you need to do is put together a bunch of slides.
Compared to watching something on the screen, it's boring to listen to others.
If there is a screen, many people will be seen gathering around the screen, and generations of human beings are now suffering from the light, also known as vidiocy.
Technology is turning us into a race of moths or bugs in June.
Multitasking is encouraged using PowerPoint, a modern and fancy way to say "don't pay attention.
Many speakers just put their material on a PowerPoint slide, and in the time they need to complete the presentation, you will see everything on the slide and return to your iPhone or PC, have enough time to check your email.
If there are two hours of presentation time, a typical academic conference will include 60 to 100 slides in the PowerPoint set.
If the slide contains only the text of the speaker's speech, as they usually do, if the speaker slowly turns on the drone, the audience will mark the host after a few slides in 15 minutes.
The host will grumble at this point: "But I have 67 slides to go!
"I just remembered my former teacher in my 1980 s.
He taught us basic math with a projector, but with chalk on the blackboard, these classes might work just as well.
But the blackboard is not high.
Technology in the era of Moon shooting and helmet hair.
Is it time?
I still have 60 slides!