If you've conducted usability tests and reflected on how the sessions went, you'll already know that the instructions you give affect the behaviour of the test participants. Particularly when you accidentally pose leading questions. This eyetracking study confirms what we already knew with some fascinating examples.
In this study, the same picture is presented to different participants each posed a different question. The way they review the image is distinctly different in each case.
What People Look At On a Picture Or Screen Depends On What You Say To Them - article from whatmakesthemclick.net