"Hazel Is Researching Flexible Working Policies

Multiple Choice

"Hazel is researching flexible working policies. She distributes a questionnaire which asks questions about the organisation's 'diversity management' strategy but this is referred to in her host organisation as the 'equal opportunities' strategy. She finds that many of the questions on her questionnaire have been left blank by her respondents." What mistake has she made here?

A) She has used the wrong terminology
B) She has encouraged socially desirable responses
C) She should have used a filter question
D) She did not clarify her sample properly