problem isomorphs

problems that have the same underlying structure, so that they require essentially the same operations to achieve a solution. Such problems may vary enormously in their surface structure and in the degree of difficulty experienced by solvers. See isomorphism.

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Psychology term of the day

May 9th 2024

slow-wave sleep

deep sleep that is characterized by increasing percentages of particular types of delta waves on the electroencephalogram, corresponding to Stages 3 and 4 of NREM sleep. See also sleep stages.