Which of the Following Might Indicate That a Respondent Lacked

Multiple Choice

Which of the following might indicate that a respondent lacked interest in a questionnaire?

A) Check marks are not within the boxes provided.
B) Scribbles on the questionnaire
C) Spills on the questionnaire
D) It's unlikely that these mistakes occur due to lack of interest.
E) All of these examples may indicate a lack of respondent interest.