User Manual: Inquisit Weight Loss Self-Efficacy Scale (WLSE)


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								Weight Loss Self-Efficacy Scale (WLSE)
								(Spanish version)
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 09-27-2023
last updated:  09-27-2023 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC

Script Copyright © 09-27-2023 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 Weight Loss Self-Efficacy Scale (WLSE)
by Wilson et al (2016).

Reference:

Wilson, K. E., Harden, S. M., Almeida, F. A., You, W., Hill, J. L., Goessl, C., & Estabrooks, P. A. (2016). Brief Self-Efficacy Scales for Use in 
Weight-Loss Trials: Preliminary Evidence of Validity. Psychological Assessment, 28(10), 1255–1264. 
https://doi.org/10.1037/pas0000249

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OVERVIEW
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self-report measure consisting of 12 11-point Likert Scale questions (confidence scale from 0% to 100% in steps of 10).

The scale provides Self-efficacy scores on three scales:
Healthful Eating Self-efficacy (HESE) (q1-q4)
Physical Activity Self-efficacy (PASE) (q5-q8)
Weight Loss Self-efficacy (WLSE) (q9-q12)
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DURATION 
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the default set-up of the script takes appr. 2 minute 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: 'wlse.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% (not confident at all) - 100% (completely confident)
									
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: 'wlse_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)	
							
HESE: 						Healthful Eating Self-Efficacy, measured as mean of q1,q2,q3,q4 response
PASE:  						Physical Activity Self-Efficacy, measured as mean of q5,q6,q7,q8 response
WLSE: 						Weight Loss Self-Efficacy, measured as average of q9,q10,q11,q12 response	

+ individual responses