Demand
            
            
            
                
                    Unreviewed
                 
                
            
        
    
        requirement or urgent need, particularly any internal or external condition that arouses a drive in an organism.
Definition contributed by JShaw
    
Definition contributed by JShaw
Asserted relationships to other concepts
            Demand
is a kind of
            
            
        is a kind of
No associations
            
        
            Demand
is a part of
            
            
        is a part of
No associations
            
        
                are a kind of
                
Demand
                
                
                    
        Demand
No associations
                
        
                are a part of
                
Demand
                
                
                    
Demand
No associations
                
                
            Tasks that are asserted to measure Demand
| Task | Contrast Measure | 
| Relative Reinforcing Efficacy Purchase Task | 
                        
  | 
                    |
