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		    1. 
			Were you familiar with R before trying hydroPSO ?
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		    2. 
			How long have you been using R ?
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		    3. 
			Were you familiar with Particle Swarm Optimisation (PSO) before trying hydroPSO ?
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		    4. 
			Could you tell us the name of the model you are trying to use with hydroPSO ?
			
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		    5. 
			Please rate the clarity of the following hydroPSO items on a 5-point scale where 1 is Not clear, 3 is Fair, and 5 is Very Clear.
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		    6. 
			Are you currently using hydroPSO to calibrate your model ?
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			7. 
			If you are not using hydroPSO to calibrate your model, could you tell us why ?
			
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