Comment on What UI first distinguished radio buttons from checkboxes with circles/squares?parentComments−true_religion1yI had once thought the circle shape came from scantron style examination papers, where you can only fill one circle at a time. It’s similar even if the origins are probably different.−vel0city1yA lot of Scantron-style systems (including a lot of Scantrons) support marking multiple.−eesmith1yYes, I had tests in the 1980s which were 'select all that apply'.
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I had once thought the circle shape came from scantron style examination papers, where you can only fill one circle at a time. It’s similar even if the origins are probably different.
A lot of Scantron-style systems (including a lot of Scantrons) support marking multiple.
Yes, I had tests in the 1980s which were 'select all that apply'.