Week 4 - affordances byxiaoyu

what is affordances? The affordances means a quality of an object, or an environment, which allows an individual to perform an action.

For example, a knob affords twisting, and perhaps pushing, while a cord affords pulling. The term is used in a variety of fields: perceptual psychology, cognitive psychology, environmental psychology, industrial design, human–computer interaction (HCI), interaction design, instructional design and artificial intelligence.

affordances in design
Designing with intent-designing specific affordance and constraints to guide users.

Guiding users: shaping perceptions of what actions are possible and making some action intentionally more difficule/ impossible.

The same is applied to product design.


affordance & perceived affordance

affordance:
an affordance is a quality of an object,or aneveironment,which allows an individual to perform an action.
perceived affordance
Refers to the perceived properties of yhe object that suggest how you/the user could use it.

properties of affordances

An affordance exists relative to the action capabilities of a particular actor.

Its existence is independent of the actors ability to perceive it.

An affordance does not change as the needs/goals of the actor change.


element of perceived affordance

context-where
culture-society
instinct-unconscious
mental models-expectations


summary

all design is persuasive.

profitable to the client=profitable to the user.

persuasive techology is about persuaeling.Althought their aim is to make money.

The world need persuagive thechnolgy.