"Question wording" refers to the way a question is written or phrased. It describes how the words in a question can influence the response given by the person answering it. Full definition
It asks students to first ask questions about general experience with «ever» and then drill down to the specifics with question words such as «where, when, why» etc.. (thoughtco.com)
But the remaining difference can be easily explained by question wording. (educationnext.org)
Other polls find much higher opposition, depending on question wording. (c-sail.org)