Hi, Jingjing.

Thank you for sharing; I think in the learning process, both teachers and students will use different learning tools; I have the same experience as you, this semester I have a class, the teacher, whether lecture or after class homework, she will use Tophat this tool to carry out. I also have a teacher before will use Tophat to test, so this software has become my learning. As the multimedia learning principles of signal and time coherence, when we are learning, grabbing the critical points while adding videos and animations can effectively let us learn more practical knowledge at the first time, compared to single text learning, which can make us more impressed with the main content of learning. In the video you shared, the use of arrows to tell us where to click next is very clear and concise in explaining how to use Tophat, which I also found very useful.

Screencasting in Education