And this is why when some responded to our proposal for a randomized behavioral study by arguing that such an approach was invalid and that we should do a survey instead, I viewed those responses as being unscientific and unsound. Instead, I believe what is truly behind these draconian opinions (draconian because they would throw out an entire line of potential evidence) is a bias towards electronic cigarettes. I'm not arguing that it is a conscious bias. It may be subconscious. But I don't believe that any objective scientist would argue for completely throwing out a randomized clinical study design and relying solely on survey evidence to draw conclusions about the effectiveness of a product such as electronic cigarettes.

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