Applicability of the MATRICS Consensus Cognitive Battery in Singapore.
The MATRICS Consensus Cognitive Battery (MCCB) was developed to provide a reliable, valid, and standard battery for clinical trials on cognitive enhancers in schizophrenia. In this study we tested the applicability of the MCCB to Singapore's English speakers. Healthy ethnic Chinese, Malay, and Indian English speakers (N = 171) of both genders were recruited within three age groups and three levels of education to match as closely as possible the US norming sample, and were administered the MCCB. Descriptive data, T scores, age, gender, education, and ethnicity effects on performance were explored and compared with the US norming study. Age, education, and ethnicity affected the battery's composite scores, with young and highly educated participants generally outperforming the old, less-educated ones. Male participants outperformed their female counterparts in two out of seven cognitive domains. Although generally lower when compared to the US norming sample, Singaporean scores reflected the same relationship with age, education, and gender, with the exception of a substantially worse performance in the social cognition domain. Differences among the ethnic groups in Singapore-and the poorer performance measured in these groups with respect to the US sample-call for the necessity of an extended norming study in Singapore.
Rapisarda, A; Lim, TF; Lim, M; Collinson, SL; Kraus, MS; Keefe, RSE
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