-The Latin square theoretically ensures proper balance between conditions, however the balance is only guaranteed if all participants complete the study, which is frequently not the case in online studies. If a participant doesn't complete the study and should be discarded, that “draw” from the latin square is used up, which could lead to inconsistencies (e.g., if more participants don't complete one condition of the study more often than others). You can counter that effect by `rejecting` participants via the [data dashboard](../../analysis/study-summary/). When a participant is rejected, their data gets flagged (but not deleted), and the sequence they had is returned to the sequence pool. This ensures that participants that start a study but do not complete it or are stopped before completing it (failed attention check, refused consent form, etc.) do not use up a row of any generated latin squares.
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