In the current study, participants were asked to indicate the level of pain in neck, shoulders and arms in one single measure, whereas this was asked in two items in the reference sample.
"The question was asked in nine different ways".
The challenge: to find a question that hasn't been asked in one of the dozens if not hundreds of forums this year.
"How will the smart grid change your life or your future career?" students are asked in one of the six lessons that Silver Spring Networks, based in California, helped to develop, and which were part of a pilot program this month in Ohio and in Oakland, Calif.
(Last week, Clive Davis, the music mogul, was asked, in one of those roam-the-expensive-seats celebrity interviews, to compare Federer to a pop-music act he'd worked with, and Davis, bizarrely, conjured Billy Joel, which flabbergasted the McEnroe brothers, whose principal job it was that night to unfurl the superlatives. At least Clive didn't say Air Supply).
"The same question is asked in ten different ways.
If we will not want to give these answers when we are asked in twenty years - and make no mistake, we will all be asked - we have to do more.
In the follow-up survey, three questions were asked in three main areas.
Questions on WTP were asked in three hypothetical scenarios, based on the payment cards method.
Altogether 81 (mostly multiple choice) questions were asked in three main domains (knowledge, attitude and professional practice).
