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						The Cannabis Use Disorder Identification Test - Revised (CUDIT-R)

Script Author: Katja Borchert, Ph.D. ( for Millisecond Software, LLC
Date: 04-27-2018
last updated:  04-27-2018 by K.Borchert for Millisecond Software LLC

Script Copyright ©  04-27-2018 Millisecond Software


This script implements a computerized version of the Cannabis Use Disorder Identification Test - Revised (CUDIT-R)

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.

8 5-point Likert questions regarding cannabis use over the last 6 months, self-report											  

The default data stored in the data files are:

(1) Raw data file: 'cudit_r.iqdat'

date, time, group, subject:		date and time script was run with the current group/subjectnumber 
build:							the Inquisit build 

q*_response:					response given (in assigned values)
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)

script.startdate:				date script was run
script.starttime:				time script was started
script.subjectid:				subject id number
script.groupid:					group id number
script.elapsedtime:				time it took to run script (in ms)
computer.platform:				the platform the script was run on
/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: 1 = yes; 0 = no 
+ remaining 8 questions

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.

see section SURVEYPAGES (change/edit captions under each surveypage)

check below for (relatively) easily editable parameters, stimuli, instructions etc. 
Keep in mind that you can use this script as a template and therefore always "mess" with the entire code to further customize your experiment.

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