Hot answers tagged survey
It depends on the types of changes you are looking to make. In general, my experience has been that changes to a response scale can be done with minimal threats to validity (e.g. looking to change the 4 item Likert type scale to a 6 item Likert type scale). On the other hand, changing question wording itself usually can't be done "without losing validity" ...
This is probably a bit old but there is a free iOS app called the PIEL Survey. It is in the App store. There is a web site which explains how to set up Experience Sampling surveys.
it seems that you can use randomization of options to decrease bias. That is, present every respondent with multiple choices but in completely random order. Also, bias might be directly tested on two groups, say A&B. Only difference will be the order of available answers. This manual seems to be very helpful: Handbook of Survey Research, Ch.9 Question ...
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