She claimed to possess paranormal abilities when covering her head in a bulky bunch of towels. To prove her capabilities, Diaconescu wrote several times some words on a piece of paper apparently without her seeing or knowing them, and asked her to reproduce them using her medium powers, each time with alleged success.
Diaconescu's claims of paranormal abilities were based on her purported ability to write words on a piece of paper seemingly without seeing or knowing them beforehand and then have someone else reproduce them using their supposed mediumistic powers.