This visualization is showing a word cloud of the most popular words used to describe the tools used for learning in the classroom, according to the author. The word computers is the most popular word, which is not surprising considering in the majority of the classrooms I have been a part of, computers and laptops are the most common used technologies, whether it's being used to check Facebook, or being used to complete in-class tasks. Twitter is also in this cloud, something used by not only our class but also many other classes around the world. It is usually used as a tool to gauge students opinions on a topic without making them speak up in class.
This visualization is effective in displaying it's main points about tools used, such as computers, laptops, apps, and twitter. However, the visualization fails to display where this information is coming from. All significant studies cite where they are getting their data, or at least tell the reader what the demographics of the study are. If the author of the visualization could provide a background to their research, this would be an insightful and useful word cloud. However, without it, it's hard to tell where the data is coming from, rendering this more or less irrelevant, although it does have data I agree with and data that could easily be proven. Overall, the visualization itself is good, but the data and information behind it does not hold the same standard.
Link to visualization
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