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- Our Span of absolute judgement and immediate memory limits our ability to
perceive information accurately.
- We expand on this ability by reformating perceptual tasks into multiple
dimensions or sequences of chunks.
- Relative judgement (detection) is more powerful than absolute (measured)
judgement.
- The coincidence of the number 7 (plus or minus 2) is strictly coincidence
(though 7 appears will uncanny regularity in everyday life).