User Manual: Inquisit Compulsive Internet Use Scale (CIUS)


___________________________________________________________________________________________________________________	

								*Compulsive Internet Use Scale (CIUS)*
___________________________________________________________________________________________________________________	

Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 04-02-2021
last updated:  02-17-2022 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC

Script Copyright © 02-17-2022 Millisecond Software

___________________________________________________________________________________________________________________
BACKGROUND INFO 	
___________________________________________________________________________________________________________________	

This script implements the Compulsive Internet Use Scale (CIUS) by Meerkert et al (2009).

Reference
Meerkerk, G.J., Van Den Eijnden, R.J., Vermulst, A.A., & Garretsen, H.F. (2009).
The Compulsive Internet Use Scale (CIUS):  some psychometric properties. 
Cyberpsychol Behav, 12(1), 1-6. 
doi: 10.1089/cpb.2008.0181. PMID: 19072079.

___________________________________________________________________________________________________________________
OVERVIEW
___________________________________________________________________________________________________________________	

14 5-point Likert scale items to cover 5 core elements of compulsive internet use:
Items 1, 2, 5, and 9 covers loss of control
Items 3, 8, 10, and 11 covering conflict
Items 4, 6, and 7 covers preoccupation 
Items 12 and 13 cover coping
Item 14 covers withdrawal symptoms

___________________________________________________________________________________________________________________	
DURATION 
___________________________________________________________________________________________________________________	
the default set-up of the script takes appr. 1 minute to complete

___________________________________________________________________________________________________________________	
DATA FILE INFORMATION 
___________________________________________________________________________________________________________________		
The default data stored in the data files are:

(1) Raw data file: 'cius.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: never (0) - very often (4)
									
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: 'cius_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)
									
cius_totalscore:					the sum of all 14 individual responses (on scale from 0-4)
									Range: 0 - 56
									
+ responses to the individual 14 items									
__________________________________________________________________________________________________________________	
EDITABLE CODE 
___________________________________________________________________________________________________________________	
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.

The parameters you can change are: