Return to the Iowa Sleep Experiences Survey (ISES) page
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									Iowa Sleep Experiences Survey (ISES)
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 04-30-2018
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 Iowa Sleep Experiences Survey (ISES) by:

Watson, D. (2001). Dissociations of the night: Individual differences in sleep-related experiences and their 
relation to dissociation and schizotypy. Journal of Abnormal Psychology, 110, 526-535.

For more information: https://www.ocf.berkeley.edu/~jfkihlstrom/ConsciousnessWeb/SleepDreams/ISES.htm

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OVERVIEW
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24 7-point Likert questions, self-report

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DURATION 
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the default set-up of the script takes appr. 3 minutes 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: 'ises.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 (never) - 6 (regularly)
									no reversed scored questions
									
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: 'ises_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)

expressions.GeneralSleepExperiencesScale:  sum of #1, #2, #6, #7, #12, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24
expressions.LucidDreaming:				sum of #8, #9, #10
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INSTRUCTIONS 
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see /caption and /subcaption under section SURVEYPAGES

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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: