What early psychologist thought that animal spirits flow through the nerves so as to produce movements of the body?
it was descartes
As I understand it, a School Psychologist requires a minimum of a Master's Degree in most schools throughout the nation. That degree is usually pretty healthy requiring some where around 72 credits at the Masters level. However, if School Psychologist is a thought, I would think PhD. That's just a personal opinion.
Whatever the person that wrote it wants to call it. Symphonies can have all sorts of variations in number of movements. Stravinsky wrote a piece he called "Symphony in Three Movements". Mozart's "Prague" Symphony (No. 38) has only three movements and is sometimes called the symphony without a minuet. Schubert's "Unfinished" Symphony only has two movements, thought presumably it was not planned that way. In the final consideration, it's best simply to go with whatever…