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RE: Of course it is

Posted by David Aiken on May 21, 2008 at 00:50:42:
Yes, the poll did ask if people were planning to buy a "Sony PlayStation 3 which plays Blu-ray discs and Internet connectivity..." but that wasn't asked in question 1 and question 1 did not specifically state that the BD player asked about was not to include PS3's. People answer questions in order based on the information in the question being asked and in previous questions. In Question 1 it is not clear that the BD player category excludes the PS3. They're asking about a lot of technology and people are as likely to answer based on what a product does as what it is, so a person with a PS3 and no other BD player may respond yes to both questions.

Obviously you've never done research which required the development of a questionnaire and the analysis of responses. I have, only once for a research project associated with a post graduate qualification, and believe me it's not easy to get a questionnaire right. You learn very quickly that if it's possible to misinterpret a question or make a mistake about exactly what is meant, some people will do exactly that. Questionnaire design is a lot harder than you think. These people were asking questions about a number of technologies including BD. It wasn't specifically a BD survey and that probably makes it easier for some ambiguity to creep into the questions.

I actually want to see BD be successful since I bought a PS3 as a BD player a couple of months ago and I'm prepared to live with that decision. My concern here is that I don't think the questionnaire was unambiguous in Question 1 and that makes me wonder about whether the figure for the total number of people polled with a device that plays BD discs is the sum of the number saying they had a PS3 and the number saying they had a BD player or whether there is some overlap in those 2 groups with some PS3s being counted twice and the actual number of people with players actually being lower than it looks. Given that I own a BD player I should be happy to add the 2 stated results together to get the highest possible number and not question them as I am doing. When I question the figures, I'm asking whether they actually put the total numbers for people with BD capable machines too high so don't say to me "You may not like the results". I'm actually suggesting that the numbers are less favourable for BD than the survey is suggesting and, as I said, I would like to see it succeed so it would actually be in my interests to shut up and not question the results in the way I'm questioning them if I wanted to take a really pro BD stance and ignore facts.

David Aiken