The behavioral level of design refers to the controlled aspects of human action, where we unconsciously analyze a situation so as to develop goal-directed strategies most likely to prove effective in the shortest time, or with the fewest actions, possible. 

San Jose State University

University of Michigan - Ann Arbor

Don Norman proposes the emotional system consists of three different, yet interconnected levels, each of which influences our experience of the world in a particular way. The three levels are visceral, behavioral, and reflective. 

(1)The visceral level is responsible for the ingrained, automatic and almost animalistic qualities of human emotion, which are almost entirely out of our control. 
(2)The behavioral level refers to the controlled aspects of human action, where we unconsciously analyze a situation so as to develop goal-directed strategies most likely to prove effective in the shortest time, or with the fewest actions, possible. 
(3)The reflective level is, as Don Norman states, "...the home of reflection, of conscious thought, of learning of new concepts and generalisations about the world". 

These three levels, while classified as separate dimensions of the emotional system, are linked and influence one another to create our overall emotional experience of the world.

Norman's Three Levels of Design

 "Concerns itself with appearances". 

This level of design refers to the perceptible qualities of the object and how they make the user/observer feel. For example, a grandfather clock offers no more features or time-telling functions than a small, featureless mantelpiece clock, but the visceral (deep-rooted, unconscious, subjective, and automatic feelings) qualities distinguish the two in the eyes of the owner.

Visceral Design

"...has to do with the pleasure and effectiveness of use." Behavioural design is probably more often referred to as usability, but the two terms essentially refer to the practical and functional aspects of a product or anything usable we are capable of using in our environment. Behavioral design (we shall use this term in place of usability from now on) is interested in, for example, how users carry out their activities, how quickly and accurately they can achieve their aims and objectives, how many errors the users make when carrying out certain tasks, and how well the product accommodates both skilled and inexperienced users.

Behavioral Design

"...considers the rationalization and intellectualization of a product. Can I tell a story about it? Does it appeal to my self-image, to my pride?" This is the highest level of emotional design; representing the conscious thought layer, where we consciously approach a design; weighing up its pros and cons, judging it according to our more nuanced and rational side, and extracting information to determine what it means to us as an individual.

Reflective Design

Don Norman proposes the emotional system consists of three different, yet interconnected levels, each of which influences our experience of the world in a particular way. The three levels are 1) visceral, 2) behavioral, and 3) reflective. These three levels, while classified as separate dimensions of the emotional system, are linked and influence one another to create our overall emotional experience of the world.

The visceral level of design is responsible for the ingrained, automatic and almost animalistic qualities of human emotion, which are almost entirely out of our control. 

Visceral Level of Design

Behavioral Level of Design

The reflective level of design is, as Don Norman states, "...the home of reflection, of conscious thought, of learning of new concepts and generalizations about the world".

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