Uniform Data Set version 4
UDSv4 - Template

Reference ID

USDv4

Producer(s)

National Alzheimer’s Coordinating Center (NACC) and the NIA-funded ADRC network

Collections

Clinical Trial

Metadata

DDI/XML JSON

Created on

Jul 02, 2026

Last modified

Jul 07, 2026

Page views

16123

(C2 Q11h/C2T Q12h) Total number of F-word and L-word repetition errors (udsverte)

Valid: 58

Mean: 76.14

var_std: 3.10

Range: -

Format: Numeric

Question pretext

[udsverfn]<>'' and [udsverlr]<>''

Notes

Calculated : if(([udsverfn]<>'' and [udsverlr]<>''), sum([udsverfn],[udsverlr]),'')

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