G. Stanley Hall described adolescence as a period so turbulent that it resembled the era in which humans evolved from savages into civilized beings.  <em>He was a noted american psychologist and educator that described adolescence as a period characterized by conflict with parents and risky behavior. Hall described adolescence as a cascade of instinctual passions and also coined the term "storm and stress" because he viewed adolescence as a period of inevitable turmoil (from childhood to adulthood). Some of the blame for that period is due to the biological changes of puberty. In the adolescent period the levels of conflict can be easily increased.</em>
 
        
                    
             
        
        
        
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total distance over total time
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Gestalt theory's main principle of perception is that the whole has a greater meaning than the sum of its parts and, therefore, we do not need to look at its individual parts to understand the whole
 
        
                    
             
        
        
        
According to Teresa Amabile theory,  incentives like money, praise, or getting good grades does not encourage creativity. It stifles it, people that like doing creative work don't focus on these matters and the common perception of retribution can also hinder people from doing their most innovative and creative work.