Psychology discussion questions

Psychologists are among the least likely to believe in psychics, palmistry, astrology, and other paranormal phenomena. Why might that be?
Also, tell us why is the scientific method described as a cycle rather than as a simple six-step process?
Finally, please share you thoughts on Phones Gage.
Please watch the video https://www.youtube.com/watch?v=MvpIRN9D4D4 to answer the question 3.