There is visualization in practice and there is visualization in theory and research. Each should inform the other, but it typically doesn’t happen that way. Kennedy Elliot, a graphics editor at the Washington Post, provides a rundown of one branch from the research side of things: human perception. There are quite a few studies.
Human perception for visualization
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How Much We Eat vs. How Much We Need
On average, we use less energy as we age, and so we should eat less. We don’t always adjust soon enough though.
How the Longest Running Shows Rated Over Episodes
Most television shows don’t get past the first season, but there are some that manage to stick around. These are the 175 longest running shows on IMDb that have ratings.
How the Average Working Adult Spends Days
This is what you get when you add up all the days the average American adult spends sleeping, eating, commuting, and doing other activities.