Procedure
- Have the test subjects stand far enough apart.
- Tell them that they are standing securely and firmly.
- Ask them to stretch their arms.
- Turn your right (or left) hand downwards with the ball of your thumb.
- Close your eyes.
- Place a heavy, thick book on your right hand.
- On the left hand a ribbon with a helium-filled, thick balloon.
- Place more books on the right hand.
- Tie a bundle of balloons to your left hand.
- Stand still like this.
- Open your eyes and watch.
Afterwards, find out about the experiences of the test subjects.