16. A university is planning on changing their student evaluation procedures (the forms where the students evaluated the professor). One statistics professor was interested in the topic and he/she decides to test a new online student evaluation procedure.

(a) The professor taught two sections of the same course this semester. In one section they received the traditional evaluations which were conducted on paper and submitted to Academic Affairs office. The other section was prompted to complete the online evaluation form. What type of study was conducted? Be sure to discuss the sampling method used and if the study is experimental or observational.