• Effective
  
  
  
  • Completeness - was the task fully completed? Were the user's goals met?
    
  • Accuracy - was the task completed successfully? Did the user get the right or correct result? How well was the work done?
    
  
  
• Efficient
  
  
  
  • Speed - was the user able to complete the task quickly?
    
  • Effort - was the user able to complete the task without undue cognitive effort?
    
  
  
• Engaging
  
  
  
  • Pleasant - did the user have a pleasant experience when working on the task?
    
  • Satisfying - was the user satisfied by the way in which the application supported her work?
    
  
  
• Error tolerant
  
  
  
  • Error prevention - did the user interface help users avoid making errors? Were errors minor rather than major?
    
  • Error recovery - if the user made an error, did the interface assist them in making a successful recovery?
    
  
  
• Easy to learn
  
  
  
  • Predictability - was the user able to work with some certainty because the user interface built on her previous knowledge?
    
  • Consistency - was the interface consistent, so that once a user learnt how to use part of the application, they were able to easily learn how to use another part?
    
  
  
  

Categorized: Design , User Experience

Tagged: , User Experience