Diving Medicine Research Questionnaire

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To ensure freedom from bias I will be randomly selecting divers from the site and contacting them by private message asking them to take part.

If you do get a pm, please take part,
So how many of you received a PM, and how many of you self-selected? If the latter, can Dr. Steve even use your input?
 
So how many of you received a PM, and how many of you self-selected? If the latter, can Dr. Steve even use your input?

Hi,

I've just been informed by the Scubaboard Staff that they have had a few objections to my PMs. So, will have to try a different approach. As knotical rightly guessed, the Questionnaire responses are more valid if the respondents have been selected in a random manner which avoids the 'healthy volunteer' effect.

Please feel free to submit the questionnaire without invitation by PM.

Thanks to the 50 or so who have sent in responses in the past 36 hours. My target is 500+ from Scubaboard so PLEASE help out in this important research.

Steve
 
https://www.shearwater.com/products/swift/

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