3 6 ° 
EMPLOYMENT PSYCHOLOGY 
trained examiners working under his supervision. When 
the examination includes an actual demonstration of the 
work in question, a technical expert who has been familiar 
ized with the psychological technique should be present. 
The ever ready cry that the combination of employ 
ment methods here described is a process entirely too 
long and too costly can be met only by calling attention 
once more to the fact that it is far more economical and 
effective to spend time in selection at the very beginning, 
by means of a method developed for that very purpose, 
than it is to allow the actual selection to take place in the 
slow grinding wheels of an organization which is fitted 
primarily for production and not selection. Natural se 
lection is a sure and an inexorable process, but it is far 
more drawn out and much more expensive than arti 
ficial selection.