Abstract:
OBJECTIVE:The aim of this study was to develop standardized scores and scoring tables for test performance in healthy adolescents for the Measurement and Treatment Research to Improve Cognition in Schizophrenia (MATRICS) Consensus Cognitive Battery (MCCB) for each year from 11 to 19 years of age, by sex, with T scores and percentile ranks. METHODS:A total of 502 healthy participants (aged 11-19 years) from 7 cohorts from Ireland, Norway, Sweden, and United States, were included in this multisite study. Regression-predicted means for the MCCB tests, except the social cognition subtest, were calculated using the MCCB test scores as outcome variables and age, age2, sex, age × sex as predictors. The regression-predicted means for each combination of age and sex were added with the residuals from the entire cohort to yield the expected distribution of that group. Age effects were examined using regression models with age and age2 as predictors. Sex differences were examined using Student's t-tests. RESULTS:Significant positive age effects were found for all tests, except for the Brief Visuospatial Memory Test, revised (BVMT-R; measure of visual learning). Females performed significantly better than males on BACS Symbol coding (measure of speed of processing) and BVMT-R, while males performed significantly better than females on NAB Mazes (measure of reasoning and problem solving). Based on the regression-predicted distributions of scores, 19 standardized scoring tables for each test and domain were created. CONCLUSIONS:With the results from this study, we have developed an accessible standardized data set of healthy adolescent test performance for the MCCB.
journal_name
Schizophr Bulljournal_title
Schizophrenia bulletinauthors
Smelror RE,Jørgensen KN,Lonning V,Kelleher I,Cannon M,DeRosse P,Malhotra AK,Karlsgodt KH,Andreassen OA,Lundberg M,Edbom T,Cleland N,Ueland T,Myhre AM,Rund BR,Agartz Idoi
10.1093/schbul/sby131subject
Has Abstractpub_date
2019-06-18 00:00:00pages
773-783issue
4eissn
0586-7614issn
1745-1701pii
5102369journal_volume
45pub_type
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journal_title:Schizophrenia bulletin
pub_type: 杂志文章
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