User Manual: Inquisit The Reward-Based Eating Drive Scale (RED-13)


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								The Reward Based Eating Drive (RED) Scale (13 item scale)
								(Spanish Version)
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 09-26-2023
last updated:  09-26-2023 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC

Script Copyright © 09-26-2023 Millisecond Software

The Spanish translations were generously shared by Marta Becerra Losada

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BACKGROUND INFO 	
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This script implements Millisecond's computerized version of The Reward Based Eating Drive (RED) Scale (13 item scale)

survey downloaded from:
https://www.sealab.ucsf.edu/red-scale

Reference:
Mason, A.E., Vainik, U., Acree, M., Tomiyama, A.J., Dagher, A., Epel, E.S., & Hecht F.M. (2017). Improving assessment of the spectrum of 
reward-related eating: The RED-13. Frontiers in Psychology, May 30;8:795.

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OVERVIEW
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self-report measure consisting of 13 5-point Likert Scale questions
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DURATION 
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the default set-up of the script takes appr. 2 minutes to complete

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DATA OUTPUT DICTIONARY
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The fields in the data files are:

(1) Raw data file: 'red.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 (Strongly En desacuerdo) - 4 (Strongly De acuerdo)
									
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: 'red_summary*.iqdat' (a separate file for each 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)	
							
red13Total:				sum of all individual scores (Range: 0-52)	, rated on scale 0 (Strongly En desacuerdo) - 4 (Strongly De acuerdo)

+ all individual responses