Which of the following did McFall recognize as a potential counterargument to his Cardinal Principle in his Manifesto?
A. Not all psychologists are good researchers.
B. Clinical psychology was initially founded as an applied field and should not focus only on science.
C. The Boulder Model is the most scientifically valid approach to training clinical psychologists, so there is no need to change it.
D. Science does not have all the answers so there are times when we need to rely on our clinical experiences or be creative in coming up with new treatments.