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#one back task

1 essay cross-referencing this thread.

Blue and lilac clay shapes on a winding paper track, with the two newest matching shapes paired in the foreground
Logic
What Is a One-Back Task? The Rule Behind Same-or-Different Games

A one-back task asks you to compare the current item with the item immediately before it. Here is how the rule works—and what a score cannot tell you.

Math & Patterns · Aug 19, 2026 · 3 min