Abstract

The advantages of using falling dice as a means of testing subjects for psychokinesis are considered in relation to other conceivable methods, such as a delicately balanced physical system or the rate of radioactive decay. Three main advantages of dice throwing are: (1) This method has produced evidence of PK, whereas the others are untested possibilities which on theoretical grounds do not give equal assurance of success. (2) The essential psychological conditions are easier to achieve with the game -like features of throwing dice. (3) Dice data lend themselves readily to statistical assessment.