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Stealth Assessments

The pre-flight check contains the following series of “Stealth Assessments” that evaluate the player's cognitive ability in the areas of attention, memory, and executive function.

2-CHOICE RESPONSE TIME

SPATIAL Orientation

Associative Memory

Domains	Subdomains	Measure
Executive Functions	Visual Spatial Working Memory	Percent Correct is the percentage of responses that were correct. The higher the number the better the score. This measure of visual spatial working memory is based on the Baddeley-Hitch Model of Working Memory and captured from the Spatial Processing stealth assessment.
		Throughput is the number of correct responses per minute. The higher the number the better the score. This measure of visual spatial working memory is based on the Baddeley-Hitch Model of Working Memory and captured from the Spatial Processing stealth assessment.
		Speed is the number of responses per minute of total response time excluding the lapses and impulsive response times.The higher the number the better the score.This measure of the visual spatial working memory is based on the Baddeley-Hitch Model of Working Memory and captured from the Spatial Processing stealth assessment.
	Choice Reaction Time	Percent Correct is the percent of all responses that were correct. This is a measure of how accurately a decision is made. The higher the number the better the score. This measure of choice reaction time is based on the CHC Model for Choice Reaction Time (R2) and captured from the Two Choice stealth assessment.
		Throughput is the correct moves per minute. This is a measure of the rate in which a reaction and correct decision are made. The higher the number the better the score. This measure of choice reaction time is based on the CHC Model for Choice Reaction Time (R2) and captured from the Two Choice stealth assessment.
		Mean Reaction Time is the average response time for all responses. This is a measure of the speed in which a reaction and decision are made. The lower the number the better the score. This measure of choice reaction time is based on the CHC Model for Choice Reaction Time (R2) and captured from the Two Choice stealth assessment.
Memory	Associative Memory	Percent Correct is the percentage of correctly matched pairs. The higher the number, the better the score.This measure of memory is based on the CHC Model, Associative Memory (MA) and captured from the Associative Memory stealth assessment.
		Throughput is the number of correct responses per minute. The higher the number, the better the score. This measure of memory is based on the CHC Model of Associative Memory (MA) and captured during the immediate recall phase of the Associative Memory stealth assessment.
Attention	Sustained Attention	Percent Lapsed is the percent of times no response was recorded (lapse).This is a measure of sustained attention. The lower the number the better the score. This measure of choice reaction time is based on the CHC Model for Choice Reaction Time (R2) and captured from the Two Choice stealth assessment.
		Response Time Variability is the standard deviation of all correct and incorrect responses. Response time variability is a measure of sustained attention. The lower the number the better the score. This measure of choice reaction time is based on the CHC Model for Choice Reaction Time (R2) and captured from the Two Choice stealth assessment.