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Speed Sorting asks you to file items into categories as fast as you can. The categories are easy and the items are unambiguous — all the difficulty comes from the rate, which rises until you cannot keep up.
Categories are shown before the run begins.
Items arrive one at a time.
Sort each into its category.
The arrival rate increases through the run.
Your score is correct sorts before you fall behind.
Decision speed on simple categorical judgements. The limiting factor is not knowing the answer but producing it — the response selection step, which is trainable.
Learn the category positions before starting. Any hesitation about where a category is costs you on every item.
Keep your hand or cursor centred so no category is further than another.
Commit on first instinct. Reconsidering a sort costs more than an occasional error.
Do not look back at items you have sorted. Forward motion is everything here.
Response selection rather than recognition. You know the answer well before you can produce it, and that gap is what the drill shortens.
Yes, until it exceeds your rate. Where that happens is your score.
Category Blitz uses words and semantic categories over a fixed 60 seconds. Speed Sorting ramps the rate until you break.
Learn the layout so thoroughly that finding a category takes no thought at all.