After reading all the replies to this post (even my own), I have revised my position. My revision was not coerced by anyone, for I view every topic with an open mind. If the collective logic persuades me to change my position, so be it. I now conclude that psychiatry (and psychology) is a science (please scroll up to find the definition of science).

For illustration, I applied the psychological tenet of chronology (as it relates to remembrance) to a tv show that I like. The show is called The Voice (a singing competition on NBC). Last Monday, there were five contestants remaining. Each contestant sang twice. The chronological order of the first round was, of course, 1,2,3,4,5. Psychology (the study of human and animal behavior) says that, if all variables are equal, the advantage would be (from most to least): 5,1,4,2,3. The reason 5 has the most advantage is that people tend to remember what happens last the most. So, using the tenet, I expected the chronological order of the second round to be: 2,4,5,1,3. Well, it was not. It was : 1,3,2,5,4. I found a very high correlation between the amount of votes each contestant received, and their chronological order.

Now, I am NOT a psychologist, but it is my experience that this psychological tenet is valid.

I welcome feedback.