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: 09-23-2021 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC
Script Copyright © 09-23-2021 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: