Little Man Test - ABCD Consortium - Smart Phone
Technical Manual
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*SCREEN REQUIREMENT TESTING SCRIPT*
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond
Created: 03-17-2020
Last Updated: 08-09-2023 by K. Borchert (katjab@millisecond.com), Millisecond
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BACKGROUND INFO
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This script implements script that tests screen requirements for the ABCD remote testing sessions.
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TASK DESCRIPTION
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This script checks basic requirements of testing devices (smart phone sizes) and presents general instructions
for remote testing.
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DATA OUTPUT DICTIONARY
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The fields in the data files are:
(1) Raw data file: 'remotetesting_instructions_raw*.iqdat'*
build: The specific Inquisit version used (the 'build') that was run
computer.platform: the platform the script was run on (win/mac/ios/android)
information about the current screen size:
screenWidthMM:
screenHeightMM:
date, time: date and time script was run
subject, group: with the current subject/groupnumber
session: with the current session id
blockCode, blockNum: the name and number of the current block (built-in Inquisit variable)
trialCode, trialNum: the name and number of the currently recorded trial (built-in Inquisit variable)
Note: trialNum is a built-in Inquisit variable; it counts all trials run; even those
that do not store data to the data file.
stimulusItem: the presented stimuli in order of trial presentation
response: the participant's response (scancode of response buttons)
correct: accuracy of response: 1 = correct response; 0 = otherwise
latency: the response latency (in ms)
(2) Summary data file: 'remotetesting_instructions_summary*.iqdat'*
inquisit.version: Inquisit version run
computer.platform: the platform the script was run on (win/mac/ios/android)
information about the current screen size:
screenWidthMM:
screenHeightMM:
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)
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EXPERIMENTAL SET-UP
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The script first checks if platform and screen size requirements are met.
If they are not met, the script and entire batch is aborted.
Otherwise, general instructions for remote testing are presented.
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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:
/minimumScreenHeightMM: the minimum screen height required in mm (default: )
/minimumScreenWidthMM: the minimum screen width required in mm (default: )
/maximumScreenHeightMM: the maximum screen height allowed in mm (default: )
/maximumScreenWidthMM: the maximum screen width allowed in mm (default: )
Note: currently the script allows any kind of screen size
/testSetting: = "remote" (should not change)