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								Difficulties in Emotion Regulation Scale (DERS)
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 07-25-2017
last updated:  01-03-2020 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC

Script Copyright © 01-03-2020 Millisecond Software

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BACKGROUND INFO 	
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This script implements a computerized version of the Difficulties in Emotion Regulation Scale (DERS) as described in:

Gratz, K. L. & Roemer, L. (2004). Multidimensional assessment of emotion regulation and dysregulation:
Development, factor structure, and initial validation of the Difficulties in Emotion Regulation Scale.
Journal of Psychopathology and Behavioral Assessment, 26, 41-54.

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OVERVIEW
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36 5-point Likert questions loading on 6 subscales

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DURATION 
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the default set-up of the script takes appr. 4minutes to complete

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

(1) Raw data file: 'ders.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)
									1 = almost never
									5 = almost always
									Note: R=reversed scored questions using scale 5, 4, 3, 2, 1
									
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: 'DERS_summary.iqdat' (Inquisit Lab: one data file per participant)

computer.platform:				the platform the script was run on (win/mac/ios/android)
script.startdate:					date script was run
script.starttime:					time script was started
script.subjectid:					assigned subject id number
script.groupid:					assigned group id number
script.sessionid:					assigned session id number
script.elapsedtime:				time it took to run script (in ms); measured from onset to offset of script
script.completed:					0 = script was not completed (prematurely aborted); 
									1 = script was completed (all conditions run)

TOTAL:							sum of all 6 subscale scores
NONACCEPT:					Nonacceptance of emotional responses (NONACCEPT): 11, 12, 21, 23, 25, 29
GOALS:							Difficulty engaging in Goal-directed behavior (GOALS): 13, 18, 20R, 26, 33
IMPULSE:						Impulse control difficulties (IMPULSE): 3, 14, 19, 24R, 27, 32
AWARENESS:					Lack of emotional awareness (AWARENESS): 2R, 6R, 8R, 10R, 17R, 34R
STRATEGIES:					Limited access to emotion regulation strategies (STRATEGIES): 15, 16, 22R, 28, 30, 31, 35, 36
CLARITY:						Lack of emotional clarity (CLARITY): 1R, 4, 5, 7R, 9
**”R” indicates reverse scored item

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INSTRUCTIONS 
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Slightly adapted for the computer - can be edited under section Editable Parameters

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EDITABLE CODE 
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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:

/pageinstructions:			the instructions that appear on every surveypage