Otto Pedraza|Neill R. Graff?Radford|Glenn E. Smith|Robert J. Ivnik|Floyd B. Willis|Ronald C. Petersen|John A. Lucas
Differential item functioning of the Boston Naming Test in cognitively normal African American and Caucasian older adults
Mayo Clinic in Florida|Jackson Memorial Hospital|Winneshiek Medical Center|Jacksonville College|Mayo Clinic in Florida|Mayo Clinic|Mayo Clinic|Jacksonville College|Mayo Clinic in Florida|Mayo Clinic|Jacksonville College|Mayo Clinic in Florida
scores boston naming test bnt frequently lower african american compared caucasian adults although demographically based norms mitigate impact discrepancy likelihood erroneous diagnostic impressions growing consensus suggests group norms sufficiently address advance understanding underlying psychometric sociocultural factors lead betweengroup score discrepancies using item response theory methods detect differential item functioning dif current investigation moves beyond comparisons summed total score examine whether conditional probability responding correctly individual bnt items differs african american caucasian adults participants included 670 adults age 52 older took part mayos older americans older african americans normative studies twoparameter logistic item response theory framework correction false discovery rate 12 items shown demonstrate dif 12 items 6 dominoes escalator muzzle latch tripod palette also identified additional analyses using hierarchical logistic regression models represent strongest evidence raceethnicitybased dif findings afford finer characterization psychometric properties bnt expand understanding betweengroup performance