Human-computer interaction (HCI) is a concept addressing a variety of aspects in the interaction between humans and computers. These aspects include how a user commands the computer; how the computer presents information to the users and performs their commands; and how this interaction begins, proceeds, and ends. On a broader scope, HCI is often viewed
Police calls for service sometimes involve the police interacting with and responding to people with mental illness. The dismantling of state mental hospitals, the changing mentally ill population, the tightening of requirements for receiving mental health support, and the offering of limited psychological services are bringing the police into contact with more people with mental
Plato proposed the earliest person-environment (P-E) interaction model in The Republic around 360 B.C. He suggested that men be assigned to jobs based on their abilities and personality because each man is ideally suited to perform the tasks necessary for success on a single job. For example, guardians of the city must have the abilities