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									NASA TASK LOAD INDEX- Survey (NASA TLX)
SCRIPT INFO

last updated:  11-17-2015 by K.Borchert for Millisecond Software LLC
Copyright ©  11-17-2015 Millisecond Software


BACKGROUND INFO

											*Purpose*
This script implements the NASA TASK LOAD INDEX a tool to assess perceived workload 

References:
NASA (1986). Nasa Task Load Index (TLX) v. 1.0 Manual

Hart, S. (2006). Nasa-Task Load Index (Nasa-TLX); 20 Years Later. Human Factors and Ergonomics Society 
Annual Meeting Proceedings, 50, 904-908.

		
											*Overview*
The NASA TLX consists of six subscales: 
Mental Demands, Physical Demands, and Temporal Demands, Frustration, Effort, and Performance											


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

Raw data file: 'nasaTLX.iqdat'

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) for question q*									
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)



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