Such questioning is in fact the correct method of understanding these activities. Any person with an open mind will certainly accept that such things might exist.
Modern Acceptance of Paranormal Activity
Science has progressed so far today, to accept multi-dimensional reality. Quantum Physics has shocked the scientific community with its contrary-to-normally-held-theories in Physics. There are tests to measure and qualify the ability for ESP (Extra Sensory Perception).
Each of us has the capability to say, move objects with the power of mind. Yet, only rarely, someone will have that capacity. What does help is keeping an open mind and letting go of long-held beliefs. It is important to have faith in oneself and being accessible to the flow of energies in and around.