___________________________________________________________________________________________________________________ The Reward Based Eating Drive (RED) Scale (5 item scale) ___________________________________________________________________________________________________________________ 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 ___________________________________________________________________________________________________________________ BACKGROUND INFO ___________________________________________________________________________________________________________________ This script implements Millisecond's computerized version of The Reward Based Eating Drive (RED) Scale (9 item scale) survey downloaded from: https://www.sealab.ucsf.edu/red-scale Reference: Vainik U, Eun Han J, Epel ES, Janet Tomiyama A, Dagher A, Mason AE. (2019). Rapid Assessment of Reward-Related Eating: The RED-X5. Obesity (Silver Spring). 27(2):325-331. doi: 10.1002/oby.22374. PMID: 30677261; PMCID: PMC6352904. ___________________________________________________________________________________________________________________ OVERVIEW ___________________________________________________________________________________________________________________ self-report measure consisting of 5 5-point Likert Scale questions ___________________________________________________________________________________________________________________ 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: '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 Disagree) - 4 (Strongly Agree) 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) RED_5_total: sum of all individual scores (Range: 0-20) , rated on scale 0 (Strongly Disagree) - 4 (Strongly Agree) + all individual responses