User Manual: Inquisit Ten-Item Personality Inventory (TIPI)


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								*Ten Item Personality Inventory (TIPI)*
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Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC
Date: 10-11-2016
last updated:  10-23-2023 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC

Script Copyright © 10-23-2023 Millisecond Software

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BACKGROUND INFO 	
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This script implements a computerized version of the Ten Item Personality Inventory (TIPI) described in:

Gosling, S. D., Rentfrow, P. J., & Swann, W. B. Jr. (2003). A very brief measure of the Big-Five personality domains.
Journal of Research in Personality, 37, 504–528. 

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OVERVIEW
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10 7-point Likert questions: 2 for each of the 5 personality domains 
(Extraversion, Agreeableness, Conscientiousness, Emotional Stability, Openeness)

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DURATION 
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the default set-up of the script takes less than 1 minute

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DATA FILE INFORMATION 
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The default data stored in the data files are:

(1) Raw data file: 'tipi.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: 1 (disagree strongly) - 7 (agree strongly)
								R = automatically 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: 'tipi_summary.iqdat' (Inquisit Lab: one 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)	

Range: 1-7 => the higher the score the higher the particular facet has been affirmed by participant 
								
Extraversion:					mean Extraversion score
Agreeableness:					mean Agreeableness score
Conscientiousness:				mean Conscientiousness score
EmotionalStability:				mean Emotional Stability score
Openeness:						mean Openeness score

///Norms:

(parameter) calculateGenderPercentile:	true (1) = z-score and percentiles are calculated based on gender norms (provided by Gosling et al, 2003, p.526) - can be set under Editable Parameters
										false (0) = z-score and percentiles are calculated using the overall norms (provided by Gosling et al, 2003, p.526)

radiobuttons.gender.response:	1 = female; 2 = male; empty (=> question wasn't asked)
								
z_E:							calculated z-score of the Extraversion score (based on data provided by Gosling et al, 2003, p.526)
E_percentile:					z-score percentile of the Extraversion score (based on data provided by Gosling et al, 2003, p.526)

z_A:							calculated z-score of the Agreeableness score (based on data provided by Gosling et al, 2003, p.526)
A_percentile:					z-score percentile of the Agreeableness score (based on data provided by Gosling et al, 2003, p.526)

z_C:							calculated z-score of the Conscientiousness score (based on data provided by Gosling et al, 2003, p.526)
C_percentile:					z-score percentile of the Conscientiousness score (based on data provided by Gosling et al, 2003, p.526)

z_ES:							calculated z-score of the Emotional Stability score (based on data provided by Gosling et al, 2003, p.526)
ES_percentile:					z-score percentile of the Emotional Stability score (based on data provided by Gosling et al, 2003, p.526)

z_O:							calculated z-score of the Openeness score (based on data provided by Gosling et al, 2003, p.526)
O_percentile:					z-score percentile of the Openeness score (based on data provided by Gosling et al, 2003, p.526)

+ individual responses
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QUESTIONNAIRE SET-UP & SCORING
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10 7-point Likert questions
- 2 for each of the 5 personality domains (Extraversion, Agreeableness, Conscientiousness, Emotional Stability, Openeness)
- one of the two questions is reversed scored (automatically done by the program)
- if parameters.calculateGenderPercentile is set to 'true', a gender question is provided at the end of the questionnaire
(by default, the gender question is omitted)

Scoring:
* computer automatically calculates the average score for the 5 categories
* computer automatically calculates the z-score and percentile values of the 5 scores based on data published by
Gosling et al (2003)
-> by default, overall means across gender and ethnic groups are used
-> if parameters.calculateGenderPercentile is set to 'true', percentiles are calculated based on the reported gender
(across ethnic groups)

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INSTRUCTIONS 
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slightly adapted from Gosling et al (2003) to reflect a different testing setup.

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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:

/pageinstructions:				the instructions posted on top of each page of the questionnaire

/calculateGenderPercentile:		true (1) = z-score and percentiles are calculated based on gender norms (provided by Gosling et al, 2003)
								false (0) = z-score and percentiles are calculated using the overall norms (provided by Gosling et al, 2003) 
								(default)