Ranked and practice mode
Every mock can be sat in one of two modes.
RankedLink to the section: Ranked
Counts towards your leaderboard placement and your score history. Sat under strict conditions: one attempt per form, ever, and one ranked start per track per 24 hours.
Those limits exist because a leaderboard where people re-sit the same form until the number looks good is not measuring anything. See One ranked attempt per form and The 24-hour ranked cooldown.
PracticeLink to the section: Practice
Does not count towards ranking. Use it when you want to work through a form without the attempt being permanent — or when you know you are going to be interrupted.
Which to pickLink to the section: Which to pick
If you are sitting it properly, under real conditions, with the time set aside — ranked. That is what the score band is calibrated against and what makes your percentile mean something.
If there is any chance you will stop halfway, practice.
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