1. General discomfort	None □	Slight □	Moderate □	Severe □
2. Fatigue	None □	Slight □	Moderate □	Severe □
3. Headache	None □	Slight □	Moderate □	Severe □
4. Eyestrain	None □	Slight □	Moderate □	Severe □
5. Difficulty focusing	None □	Slight □	Moderate □	Severe □
6. Increased salivation	None □	Slight □	Moderate □	Severe □
7. Sweating	None □	Slight □	Moderate □	Severe □
8. Nausea	None □	Slight □	Moderate □	Severe □
9. Difficulty concentrating	None □	Slight □	Moderate □	Severe □
10. Fullness of Head	None □	Slight □	Moderate □	Severe □
11. Blurred vision	None □	Slight □	Moderate □	Severe □
12. Dizziness with eye open	None □	Slight □	Moderate □	Severe □
13. Dizziness with eye closed	None □	Slight □	Moderate □	Severe □
14. Vertigo	None □	Slight □	Moderate □	Severe □
15. Stomach awareness	None □	Slight □	Moderate □	Severe □
16. Burping	None □	Slight □	Moderate □	Severe □
Original version: Kennedy, R.S.; Lane, N.E.; Berbaum, K.S.; Lilienthal, M.G. Simulator sickness questionnaire: An enhanced method for quantifying simulator sickness. Int. J. Aviat. Psychol. 1993, 3, 203–220.