___________________________________________________________________________________________________________________ The Cannabis Use Disorder Identification Test - Revised (CUDIT-R) ___________________________________________________________________________________________________________________ Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC Date: 04-27-2018 last updated: 02-21-2022 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC Script Copyright © 02-21-2022 Millisecond Software ___________________________________________________________________________________________________________________ BACKGROUND INFO ___________________________________________________________________________________________________________________ This script implements a computerized version of the Cannabis Use Disorder Identification Test - Revised (CUDIT-R) by: Adamson SJ, Kay-Lambkin FJ, Baker AL, Lewin TJ, Thornton L, Kelly BJ, and Sellman JD. (2010). An Improved Brief Measure of Cannabis Misuse: The Cannabis Use Disorders Identification Test – Revised (CUDIT-R). Drug and Alcohol Dependence 110:137-143. ___________________________________________________________________________________________________________________ OVERVIEW ___________________________________________________________________________________________________________________ 8 5-point Likert questions regarding cannabis use over the last 6 months, self-report The first question asks about cannabis use during the last 6 months. If no cannabis use is reported for this time frame, the remaining questions are skipped. ___________________________________________________________________________________________________________________ DURATION ___________________________________________________________________________________________________________________ the default set-up of the script takes less than 1 minute to complete __________________________________________________________________________________________________________________ DATA FILE INFORMATION ___________________________________________________________________________________________________________________ The default data stored in the data files are: (1) Raw data file: 'cudit_r.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 - depends on question) cannabis use: 0 = no; 1 = yes q1-q7: 0 (never) - 4 (almost daily) q8: 0 (never), 2, 4 (during the last 6 months) 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: 'cudit_r_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) cudit_r_Score: sum of all individual scores (range: 0-32) scores >= 8 indicates hazardous cannabis use, scores >= 12 indicate possible cannabis use disorder for which further use might be required radiobuttons.cannabisuse.response (first question): 1 = yes; 0 = no + remaining 8 questions ___________________________________________________________________________________________________________________ INSTRUCTIONS ___________________________________________________________________________________________________________________ see section SURVEYPAGES (change/edit captions under each surveypage)