Abstract

References
1.
Boring
E G
1950 A History of Experimental Psychology (New York : Appleton-Century-Crofts )
2.
Gregory
R L
1981 Mind in Science (London : Weidenfeld and Nicolson ) chapter 7
3.
Hawking
S
1988 A Brief History of Time: From the Big Bang to Black Holes (London : Bantam )
4.
Woodrow
H
1934 , “The temporal indifference interval determined by the method of mean error” Journal of Experimental Psychology 17 167 –188
