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WORLD HEALTH ORGANIZATION
DISABILITY ASSESSMENT SCHEDULE 2.0 (WHO-DAS 2.0, self administered)
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 02-28-2018
last updated: 11-01-2023 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC
Script Copyright © 11-01-2023 Millisecond Software
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BACKGROUND INFO
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This script implements a computerized version of the World Health Organization Disability Assessment Schedule 2.0
(self-administered)
http://www.who.int/classifications/icf/whodasii/en/
http://www.who.int/classifications/icf/WHODAS2.0_12itemsSELF.pdf
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OVERVIEW
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12 5-point likert questions + 3 additional questions
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DURATION
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the default set-up of the script takes appr. 1 minute to complete
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DATA OUTPUT DICTIONARY
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The fields in the data files are:
(1) Raw data file: 'who_das_12.iqdat'
date, time: date and time script was run with the current group/subjectnumber
subject, group, session: with the current subject/groupnumber/session id
build: the Inquisit build
q*_response: response given (in assigned values)
Scale: 0 (none) - 4 (extreme or cannot do)
no reversed scored questions
q*_latency: how much time (in ms) the participant spent on the surveyPage with this particular
question (the last time this particular surveyPage was visited)
(2) Summary data file: 'who_das_12_summary.iqdat' (Inquisit Lab: one data file per participant)
inquisit.version: Inquisit version run
computer.platform: the platform the script was run on (win/mac/ios/android)
startDate: date script was run
startTime: time script was started
subjectId: assigned subject id number
groupId: assigned group id number
sessionId: assigned session id number
elapsedTime: time it took to run script (in ms); measured from onset to offset of script
completed: 0 = script was not completed (prematurely aborted);
1 = script was completed (all conditions run)
total: the sum of the 12 multiple-choice scores (Range: 0 - 48)
("None" = 0, "Mild" = 1, "Moderate" = 2, "Severe" = 3, "Extreme or cannot do" = 4)
radioButtons.q1.response-q12: the individual scores of the 12 multiple-choice questions
textbox.q13.response-q15: the responses (=days of impairment) to the additional 3 open-ended questions
