[member=178628]YaYa[/member] , I had a look at this too, and there's nothing at the start to explain anything of what the survey is about, but then it launches straight into tractor buying. I'm a smallholder, but I don't own a tractor and probably never will. As a result, I answered the first question but then had to quit the survey as it was no longer relevant. At a postgrad level, you need to be gathering good data if you're going to get anywhere near decent grades, and my fear with this one is that even with the best will in the world, you're going to get a mixture of a few good responses, followed by garbage.
Can I respectfully suggest that you either make the description at the start more explicit, or widen the scope to "think of the last big capital item you bought....."?