___________________________________________________________________________________________________________________ EPWORTH SLEEPINESS SCALE (ESS) ___________________________________________________________________________________________________________________ Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC Date: 10-09-2013 last updated: 02-22-2022 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC Script Copyright © 02-22-2022 Millisecond Software ___________________________________________________________________________________________________________________ BACKGROUND INFO ___________________________________________________________________________________________________________________ This script implements the Epworth Sleepiness Scale (ESS) as described in: Johns, M.W. (1991). A new method for measuring daytime sleepiness: The Epworth sleepiness scale. Sleep, 14, 540-545. This script uses the 1997 version of the ESS which includes a small revision of the original 1991 instructions. The script uses radiobuttons instead of textboxes. More information on the ESS (as well as instruction revisions done in 1997): http://epworthsleepinessscale.com/ ___________________________________________________________________________________________________________________ OVERVIEW ___________________________________________________________________________________________________________________ Script offers an optional surveypage that collects demographics (-> see section Editable Parameters parameters.skipdemographics), followed by a surveypage that presents the 8 ESS questions. By default the 8 ESS questions cannot be skipped. At the end, an optional feedback page offers feedback in the form of the totalscore and a generic interpretation of the ESS scores. The feedback is not original to the ESS and can be edited under section Editable Stimuli (item.feedback) or can be skipped altogether, see section Editable Parameters -> parameters.skipfeedback (default setting). ___________________________________________________________________________________________________________________ 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: 'ess.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) - 3 (high chance) 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: 'ess_summary*.iqdat' (a separate data file per 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) textbox.name.response: name response if applicable (by default, demographic questions are skipped) textbox.age.response: age response if applicable (by default, demographic questions are skipped) dropdown.gender.response: gender response if applicable (by default, demographic questions are skipped) totalscore: the participant's total ESS score Note: In general, the higher the score, the higher your daytime sleepiness. The general guideline is that a score at or below 10 is within normal range. It's important to note that A) higher scores by themselves are not diagnostic of any sleep disorder. B) a score at or below 10 does not exclude the diagnosis of a sleep disorder. Note: calculation of totalscore Based on info from http://epworthsleepinessscale.com/ rational numbers that are not integers (e.g. 1.5) are sometimes chosen by participants on the paper test. While not encouraged, choosing rational numbers other than integers doesn't invalidate the answer. The totalscore in this script takes all responses and adds them up and only then rounds it to the nearest integer. ___________________________________________________________________________________________________________________ EDITABLE CODE ___________________________________________________________________________________________________________________ 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: /skipdemographics: false = script does collect demographic data true = script does NOT collect demographic data (default) /skipfeedback: false = script does provide feedback to participants true = script does NOT provide feedback to participants (default) Note: to customize feedback go to EDITABLE CODE -> Editable Stimuli