VALUES OF CURVES OF LEARNING 



155 



MIN. 

 12 



11 



10 



8 



6 



3 



TH. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 10 17 18 



Figure 5 — Curve I, combination curve for time, error, and distance — the three 

 being given equal value; Curve II, combination curve for time (one-half value), 

 error and distance (each one-quarter value). 



