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The Concept Map you are trying to access has information related to:
Donald Norman - Seven stages of Action, errors occur because of forming an inadequate goal, Seven Stages of Action in using a system wich are Forming the goal, errors are important to Donald Norman, ???? compromises Cycles of action and evaluation, ???? can be avoided by improved design, Percieving the system state leads to Gulf of execution, four principles of good design wich are The state of the system should be visible, Seven Stages of Action in using a system wich are Specifying the Action, four principles of good design wich are User should be supplied with continuous feedback, Interpretating the system state leads to Gulf of execution