How will you rate your familiarity with this type of visualization prior to this study?_matrixShortSameQn		Please enter your Mechanical Turk ID_matrixShortSameQn
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 Somewhat familiar -- You have seen this visualization before.		A2460MAJX0NA82
 Somewhat familiar -- You have seen this visualization before.		A3HMBHM8HJLKRD
Not familiar -- You have never seen such a visualization before.		A2MAC1J8EF4D7Q
