Excellent!


Great job! Now please judge whether the following items are OLD or NEW.

Press 'o' to indicate an old item, and 'n' to indicate a new one.

After you indicate ‘old’ or ‘new’ for each photo, you will also be asked how confident you are about your answer (i.e. how sure are you that you did or didn’t see the item previously?).

Please indicate your confidence on a scale from ‘1’ (guessing) to ‘4’ (completely certain).