Measures of criterion validity showed high levels of sensitivity for moderate-to. True score confidence intervals should be applied when interpreting MMSE test scores. RESULTS Reliability and construct validity were judged to be satisfactory. Item analysis showed that nearly all of the MMSE items were good discriminators, but 12 were too easy. The Gilmer-Feldt internal consistency reliability coefficient was. Livingstons' r for the most widely used MMSE cutoff score of 24 was. As necessary for the calculation of the Gilmer-Feldt r, a factor analysis showed that the MMSE measures three cognitive domains. Livingston reliability coefficients (rs) were calculated for a wide range of cutoff scores.
Two administration and scoring variants of the MMSE Attention and Calculation section (Serial 7s only and WORLD only) were investigated. Criterion-referenced (Livingston) and norm-referenced (Gilmer-Feldt) techniques were used to measure the internal consistency reliability of Folsteins Mini-Mental State Examination (MMSE) on a large sample (N = 418) of elderly medical patients.
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