Size relations, the results 
of this experiment suggest, are 
important in affecting or 
modifying our experience of 
the sizes of things in daily life. 
Witness, for example, how we
interpret the sizes and spatial
relation of the man and the 
hand in the video to the left. 
Or consider the shock we
experience in watching a 
puppet show when the "giant"
puppeteer comes on stage at 
the end. Size-contrast effects
such as this are often 
important in the arts.