Historical criteria | Individuals were classified as MCI if objective memory performance fell more than 1.5 SD below their age-appropriate norms on the WMS-R LM subtest. |
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Typical criteria | Individuals were classified as MCI if at least one test within a domain fell more than 1.5 SD below age-appropriate norms. |
Comprehensive criteria | Individuals were classified as MCI if at least two tests within a cognitive domain fell more than 1 SD below age-appropriate norms. |
Liberal criteria | Individuals were classified as MCI if only one test within a cognitive domain fell more than 1 SD below age-appropriate norms. |
Conservative criteria | Individuals were classified as MCI if at least two tests within a cognitive domain fell more than 1.5 SD below age-appropriate norms. |