Human action cycle

<p>The human action cycle is a <a href="/facts/Psychological_model/4Jdmt5gm">psychological model</a> which describes the steps humans take when they interact with <a href="/facts/Computer_system/SQe1aK05">computer systems</a>. The model was proposed by <a href="/facts/Donald_A._Norman/QFfnA2m4">Donald A. Norman</a>, a scholar in the discipline of <a href="/facts/Human%E2%80%93computer_interaction/EkmIxGCx">human–computer interaction</a>. The model can be used to help evaluate the efficiency of a <a href="/facts/User_interface/e9sPEWVD">user interface</a> (UI). Understanding the cycle requires an understanding of the user interface design principles of <a href="/facts/Affordance/A3LSYMfD">affordance</a>, <a href="/facts/Feedback/XnuWH3zp">feedback</a>, <a href="/facts/Visibility/reqevMCQ">visibility</a> and tolerance.
</p><p>The human action cycle describes how humans may form goals and then develop a series of steps required to achieve that goal, using the computer system. The user then executes the steps, thus the model includes both cognitive activities and physical activities.
</p>

Human action cycle open-in-new

Human action cycle