The final project of a class is assessed by a professor and two TAs. In section A, the
evaluators know a priori the current GPA of students. In section B, they do not.
(a) Which kind of experimental design is this? (5p)
(b) Which kind of bias may arise in project scores for section A? (5p)
(c) Which kind of treatment assignment procedure is applied for section B? (5p)
(d) Which section should have the most reliable project scores? Why? (5p)