Hi members of JAHAJEE,
I am currently conducting a study on Parametric roll motions for my final year project at Plymouth University, the following link would take you to the questionnaire, it should not take more than 5-10 minutes to complete. Your time and effort will be very much appreciated, if you have any further question, please feel free to contact me at: parametric.roll.motions.study(at)gmail.com
Link: https://www.surveymonkey.co.uk/r/ZLV933G
thank you once again for your time and effort, looking forward to see your responses.