article_snippet.sent: The rows correspond to participants and columns to letters.
article_snippet.sent: The colours along the bottom represent the most frequently chosen colour label for each letter .
article_snippet.sent: Researchers from the Department of Psychology at Stanford University used data from 6,588 registered users to determine which colours are most commonly associated with which letters.
article_snippet.sent: Grey bars show participants with seven or more matches.
highlights_snippet.sent: Scientists determined which colours are usually connected with letters .
  