Signs asked 150 people to draw famous logos — Apple, Starbucks, Burger King, etc. — from memory, and they compiled the results. It’s a relatively small sample size and drawing accuracy was judged subjectively, so I’d put this more in the fun category than an actual study, but I like the spectrums.
Logos drawn from memory
Visualize This: The FlowingData Guide to Design, Visualization, and Statistics (2nd Edition)
