Interaction design is concerned with the observation of human behavior in every day life. Specifically, it is concerned in how people use the objects around them, and analyzing how people respond to what an object does. Using these observations, the interaction designer is to analyze how that object can be improved upon so that the user can easily understand how to use that object, and how that object can be more easily used in a higher degree.
Interaction design itself is the constant improvement of how an object can be used and better understood to users. This has led interaction design to make use of psycho-analysis in order to improve existing concepts and even add new attributes to that object to make it more user-friendly. Because of this, interaction designers also become information architects and psycho-social researchers, in that they have to order the information gathered from observing both individuals and society at large.
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