Return to the Reading the Mind in the Eyes Test - Revised page
										Eyes Test: custom

Script Author: Katja Borchert, Ph.D. ( for Millisecond Software, LLC
Date: 02-26-2017
last updated: 02-27-2017 by K.Borchert ( for Millisecond Software LLC

Script Copyright © 02-27-2017 Millisecond Software


This script implements a computerized version of the revised Eyes Test by:

Baron-Cohen, S., Wheelwright, S., Hill, J., Raste, Y., & Plumb, I. (2001). The 'Reading the Mind in the Eyes' Test Revised Version:
A Study with Normal Adults, and Adults with Asperger Syndrome or High-functioning Autism.
Journal of Child Psychiatry and Psychiatry, 42, 241-252

Materials are downloadable from the following link:

Participants are given 40 photographs of people's eyes and four word descriptions that describe the possible 
mental state of the person in question. Participants are asked to select the option that they think best
describes the mental state of the person. There is no time limit to this test and participants can look up
the descriptions of the words anytime they need to.

The default data stored in the data files are:

(1) Raw data file: 'eyestest_raw*.iqdat' (a separate file for each participant)*

build:							Inquisit build
computer.platform:				the platform the script was run on
date, time, subject, group:		date and time script was run with the current subject/groupnumber 
blockcode, blocknum:			the name and number of the current block
trialcode, trialnum: 			the name and number of the currently recorded trial
									(Note: not all trials that are run might record data; by default data is collected unless /recorddata = false is set for a particular trial/block) 

/gender:						"f"(emale) 	vs. "m"(ale)	(gender of image)
/image:							stores the current image name
/word1:							stores the current word1 (top left)
/word2:							stores the current word2 (top right)
/word3:							stores the current word3 (bottom left)
/word4:							stores the current word4 (bottom right)
/corrResp:						the correct response (1-4)							
response:						the participant's response: selected word (word1-word4)
correct:						accuracy of response: 1 = correct response; 0 = otherwise
latency: 						the response latency (in ms) of current trial; measured from: onset of image until response is selected
/rt:							the cumulative time (in ms) spent on the current image (includes time spent on dictionary);
								measured from onset of image until a word is selected
/countCorr:						running count of correctly identified expressions

(2) Summary data file: 'eyestest_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)
/countCorr:						count of correctly identified expressions
/propCorrect:					proportion correctly identified expressions
/meanRT:						mean latency (ms) of correctly identified expressions

* separate data files: to change to one data file for all participants (on Inquisit Lab only), go to section
"DATA" and follow further instructions


(1) Practice: 1 image
(2) Test: Part1: 17 images
(3) Test: Part2: 19 images

Trial: an image is presented with 4 surrounding words, guessing probability = 0.25
Chance Performance = 36*0.25 = 9 items

Note: images are presented in a fixed sequence

provided by Millisecond Software - can be edited under section Editable Stimuli

provided by Millisecond Software - can be edited under section Editable Instructions

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:
/showSummaryFeedback:				true (1): participants are given the number of correctly selected emotions and their median reaction time
									false (0): no performance feedback is provided at the end

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