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22,032 items of data are available, covering 22,032 participants. Units of measurement are attempts.
There are 19 distinct values.
Mean = 13.4631
Std.dev = 3.62598
Counts of participants/items last updated 27 Mar 2019.
This is the number of puzzles which the participant viewed irrespective of whether they supplied any answer (though the were unable to progress to the next puzzle without supplying an answer)
If the participant did not attempt all 18 puzzles then this value is likely to be greater than the number of entries for Field 6312 and Field 6313 as it will usually include a last puzzle which was viewed by the participant but for which an answer was not selected within the overall time limit.