Longitudinal comparison of alternate versions of the Symbol Digit Modalities Test: Issues of form comparability and moderating demographic variables

CL Uchiyama, LF D'elia, AM Dellinger… - The Clinical …, 1994 - Taylor & Francis
A longitudinal examination of the comparability of two alternate versions of the Symbol Digit
Modalities Test (SDMT) was undertaken on a large (N= 3,509), multiregional, healthy male …

Normative Symbol Digit Modalities Test performance in a community-based sample

LK Sheridan, HE Fitzgerald, KM Adams… - Archives of Clinical …, 2006 - academic.oup.com
Abstract The Symbol Digit Modalities Test [SDMT; Smith, A.(1982). Symbol Digit Modalities
Test. Los Angeles: Western Psychological Services; Smith, A.(1968). The symbol-digit …

Digit symbol and symbol digit modalities tests: Are they directly interchangeable?

SF Morgan, J Wheelock - Neuropsychology, 1992 - psycnet.apa.org
Abstract 45 persons (aged 19–74 yrs) referred for neuropsychological evaluation were
administered both the Symbol Digit Modalities Test (SDMT) and the Digit Symbol (DS) …

Repeated assessment and practice effects of the written symbol digit modalities test using a short inter-test interval

DR Pereira, P Costa, JJ Cerqueira - Archives of Clinical …, 2015 - academic.oup.com
Abstract The Symbol Digit Modalities Test (SDMT) is a widely used instrument to assess
information processing speed, attention, visual scanning, and tracking. Considering that …

Symbol digit modalities test: Regression-based normative data and clinical utility

RP Fellows… - Archives of Clinical …, 2020 - academic.oup.com
Objective The purpose of this study was to provide regression-based normative data for the
written, oral, and incidental recall trials of the Symbol Digit Modalities Test (SDMT). Method …

The Symbol Digit Modalities Test: Normative data from a large nationally representative sample of Australians

KM Kiely, P Butterworth, N Watson… - Archives of Clinical …, 2014 - academic.oup.com
Data from the Household, Income and Labour Dynamics in Australia (HILDA) Survey were
used to calculate weighted norms for the written version of the Symbol Digits Modalities Test …

Normatization of the symbol digit modalities test-oral version in a Latin American country

S Vanotti, EV Cores, B Eizaguirre… - Applied …, 2015 - Taylor & Francis
The aim of this study was to standardize the Symbol Digit Modalities Test (SDMT)-Oral
version in a healthy population living in Argentina and to analyze the influence that age …

Comparability of WAIS—R digit symbol and the symbol digit modalities test

SF Morgan, J Wheelock - Perceptual and motor skills, 1995 - journals.sagepub.com
100 persons referred for neuropsychological evaluation were administered both the Symbol
Digit Modalities Test and the WAIS—R Digit Symbol subtest. The two sets of scores …

The influence of ethnicity on Symbol Digit Modalities Test performance: An analysis of a multi-ethnic college and hepatitis C patient sample

SE O'Bryant, JD Humphreys, L Bauer… - Applied …, 2007 - Taylor & Francis
Neuropsychologists routinely assess patients from racially, ethnically, and culturally diverse
populations. Despite this fact, there remains a paucity of research investigating the influence …

[PDF][PDF] The Symbol Digit Modalities Test--Oral version: Italian normative data

U Nocentini, A Giordano, SD Vincenzo… - Functional …, 2006 - researchgate.net
THE SYMBOL/Nocentini Page 1 Ugo Nocentinia,b Angela Giordanoa Sarah Di Vincenzob
Marta Panellaa Patrizio Pasqualettib,c a Neurology Chair, University of Rome “Tor Vergata” …