=+focus settings were then measured with a dioptometer (Oculomotor Responses with Aviator HelmetMounted Displays and Their Relation

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=+focus settings were then measured with a dioptometer (“Oculomotor Responses with Aviator HelmetMounted Displays and Their Relation to In-Flight Symptoms,” Human Factors, 1995: 699–710). The data from one such experiment is given here:

In-Flight symptom tested: Distance misperception (measurements are in diopters)

Symptom present Symptom absent Sample size 9 4 Sample mean 2.83 2.70 Sample standard deviation .172 .184

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Applied Statistics For Engineers And Scientists

ISBN: 9781133111368

3rd Edition

Authors: Jay L. Devore, Nicholas R. Farnum, Jimmy A. Doi

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