week 4 lecture [Affordance]

The user

-the customer is king
-king is always right
-king never bargain

"but there are so many choices"

sometimes why you have to decide?
-affordance


affordance : - created by psychologist J.J Gibson. it refers to quality of the physical world that suggest the possibility of interaction relative to the ability of an actor(person or animal) to intearact.

or in simpler definition,

an affordance is a quality of an object or an environment , which allows an individual to perform an action

example of affordances
- the affordances of a branch as 'a nice' place to sits depends on :

1. the qualities of the branch
2. the capabalities of the perosn.actor?
3. the affordance does not change as the needs/goals of the actor change.

e.g: doorknobs are for the open the door,slots are for inserting things. etc

summary
1. all design is persuasive
2. profitable to the client = profitable to the users.