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									Iowa Sleep Experiences Survey (ISES)

Script Author: Katja Borchert, Ph.D. ( for Millisecond Software, LLC
Date: 04-30-2018
last updated:  04-30-2018 by K.Borchert for Millisecond Software LLC

Script Copyright ©  04-30-2018 Millisecond Software


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:

24 7-point Likert questions, self-report

The default data stored in the data files are:

(1) Raw data file: 'ISES.iqdat'

date, time, group, subject:		date and time script was run with the current group/subjectnumber 
build:							the Inquisit build 

q*_response:					response given (in assigned values)
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)

script.startdate:				date script was run
script.starttime:				time script was started
script.subjectid:				subject id number
script.groupid:					group id number
script.elapsedtime:				time it took to run script (in ms)
computer.platform:				the platform the script was run on
/completed:						0 = script was not completed (prematurely aborted); 1 = script was completed (all conditions run)
/GeneralSleepExperiencesScale:  sum of #1, #2, #6, #7, #12, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24
/LucidDreamin:					sum of #8, #9, #10

24 7-point Likert questions, self-report

see /caption and /subcaption under section SURVEYPAGES

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:

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