His advisor tells him that he may want to rephrase his questions because the "the way he had worded them most or wording of the question most likely" affected the opinions expressed by the respondents.
The selection of words and expressions in any question is basic in communicating the importance and expectation of the inquiry to the respondent and guaranteeing that all respondents translate the inquiry a similar way. Indeed, even little wording contrasts can significantly influence the appropriate responses individuals give.
Likewise, it is imperative to consider whether certain words might be seen as one-sided or conceivably hostile to a few respondents, and in addition the passionate response that a few words may incite.