Use the Guidelines to Evaluate the Study

Use the guidelines to evaluate the study. From the information given, what is the biggest flaw in the study?
-A high school principal wanted to know how the teachers at her school felt about early dismissal for Homecoming. She put the names of the 114 faculty in a hat and randomly selected 30 of the
Names. She gave questionnaires to those 30 people asking whether they agreed or disagreed with
The following statement: "Valuable learning time should not be sacrificed for extracurricular social
Activities." The questionnaires were filled out anonymously. Her conclusion was that 80% of the
Faculty were opposed to early dismissal for Homecoming.

A) Participation bias
B) Selection bias
C) Confounding variables
D) The setting may discourage honest responses
E) The wording of the question