A midterm evaluation of a recitation instructor's teaching asked students to rate their
instructor's preparation for class by choosing from one of the following: a) excellent; b) good;
and, c) needs improvement. We may expect a summary of the instructor's teaching, based on
the survey results, to be:
Biased towards an unfavourable summary
Biased towards a favorable summary
For which of the following questions would we expect the most honest responses?
What additional option should be included in the following survey question: “How often do you
dream in black and white?” Options are “always,” “sometimes” and “never”.
Consider this survey question: “Every year, thousands of people, including children, are injured
or killed because of the widespread availability of firearms in the United states. Do you agree
that our country needs stricter gun control laws?” The response that surveyors hope to elicit is: