188 



KNIGHT DUNLAP 



are alternately vertical and horizontal. Some preliminary prac- 

 tice is required, and the positions of the sheet and the hands 

 must be standardized. 



Tests with interesting results have been made on two subjects, 

 and are briefly reported here. In these tests, the metronome rate 

 was one beat per second, and the reactor was required to com- 

 plete the whole page before stopping. If no time had been 



FIG. 1. COORDINATION TEST SHEET, REDUCED TO ONE-HALF DIAMETER 



Measurements of sheet, five and seven eighths by eight inches. Pathways 

 one-eighth inch wide (approximately). In new forms modified by Buford 

 Johnson for use with children, the vertical strokes are replaced by slanting 

 ones, and the pathways made wider. The sheet here shown was used in the 

 position given, but it has since been found more satisfactory to turn it so that 

 the x's are at the right, and trace from right to left. The new forms have an 

 x at each end of the pathway. 



