experiments/OCP/duplicate.html


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        <h1>Duplicate request.</h1>
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      <p>
        You have either recently completed a similar HIT, refreshed the game page, or opened the game page in multiple tabs.

        Even though this HIT may not be identical to the one you previously completed, it is important for our research that each person participate in only one of these related studies.

        If you refreshed the page, there is no way to return to the game.  In
        this case, please return the HIT.
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