18 STEREOTROPIC REACTIONS 



give the appearance of volition and purpose, where a more exact 

 analysis shows its purely mechanical nature. In case more than two 

 sets of influences come into play simultaneously the behavior becomes 

 more variable, the analysis becomes more difficult, and the behavior 

 gives the appearance of purpose or caprice, although its correct 

 interpretation would involve no new factors such as "will " or "intelli- 

 gence, " but merely the recognition of a larger number of variables. 



