For the test-retest reliability, ICC values for all three versions and eight subtests in SF and AF groups were 0.60–0.93 and 0.56–0.93, respectively. Cohen’s d of all three versions’ total scores and subtests were 0.00–0.20 and 0.00–0.26 for SF group and AF group, respectively. In the AF group, no statistically significant differences were found for all three versions of the total scores and subtests ( p = 0.106–1.000), except for the visual-constructional ability subtest ( p = 0.010). Resultsįor the practice effects, in the SF group, no statistically significant differences were found for the MMSE-2:BV and MMSE-2: EV total scores and eight subtests ( p = 0.061–1.000), except for the MMSE-2:SV total score ( p = 0.029). The test-retest reliability was examined using the intraclass correlation coefficient (ICC). The practice effect was evaluated using a paired t-test and Cohen’s d. One hundred and twenty participants were enrolled, of which 60 were administered with the blue form twice (i.e., the same-form group, ) and 60 were administered with the blue form first and then the red form (alternate-form group, ).
The purpose of this study was to examine the practice effect and test-retest reliability of the MMSE-2 in people with dementia. There was a lack of evidence on the practice effect and test-retest reliability of the three versions of the MMSE-2, limiting its utility in both clinical and research settings. Each version was equipped with alternate forms (blue and red). The Mini-Mental State Examination-Second Edition (MMSE-2) consists of three visions: a brief version (MMSE-2:BV), a standard version (MMSE-2:SV), and an expanded version (MMSE-2: EV).
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