The quality of being responsive and reacting quickly. It can involve responding on an emotional level, or towards people, situations and events.

Response delay

A period of time between a stimulus and the reaction or response of the individual. The response delay is a function of the amount of information that needs to be processed.

Response programming stage

A stage of information processing in which a previously chosen response is transformed into overt muscular actions. The duration of this stage is affected by the response complexity.