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Vividness of Visual Imagery Questionnaire 2 (VVIQ2)
The VVIQ2 script builds on the original Inquisit VVIQ.script.
Script Author of original Inquisit VVIQ script: Adnan Niazi (Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen)
last updated: 04-19-2017 by K. Borchert (email@example.com) for Millisecond Software, LLC
This script implements the VVIQ 2 by
Marks, D.F. (1995). New Directions for Imagery Research. Journal of Mental Imagery, 19, 153-167.
participants rate with eyes closed the vividness of
32 imagined scenes on a 5-point scale (a glider is used in this script).
(8 scenes with 4 questions each)
Each response receives 1 (lowest vividness) to 5 (highest vividness) points.
(Note: the VVIQ2 questionnaire reverses the scales compared to the VVIQ questionnaire)
Max combined score = 5*32 = 160 (high vividness)
Min combined score = 1*32 = 32 (low vividness)
DATA FILE INFORMATION:
The default data stored in the data files are:
(1) Raw data file: 'VVIQ2*.iqdat'(a separate file for each participant)
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: 'VVIQ_summary*.iqdat' (a separate file for each 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)
textbox.age.response: age response of participant
radiobuttons.gender.response: gender response of participant
textbox.occupation: occupation response of participant
/vviq2_total: the total vviq2 score (sums up all individual scores)
This script first presents the VVIQ2 with Eyes closed.
The htm instruction pages are provided by Millisecond Software (build on the instructions by Niazi).
They were written to closely resemble the original instructions for the VVIQ
while adapting them to the computerized set-up used in this script.
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.