Dr Evil's "Rate My Professor" Rating Keeps Getting Higher, Even

Multiple Choice

Dr. Evil's "Rate My Professor" rating keeps getting higher, even though he tries to keep it as low as possible (he was down to 0.2!) He decides he must be getting nicer in his old age and to be meaner than ever to his statistics students this year! The change in Dr. Evil's ratings are most likely due to

A) statistical significance.
B) a median split.
C) an illusory correlation.
D) regression to the mean.
E) None of the above