Reading 5

Jason Martakis

3 types of Conceptual Models:
Design Model – the designers conceptual model.
User Model – the mental model developed through interaction with the system.
System image – results from the physical structure that has been built.

Affordance – an action that an individual can potentially perform in their environment.
Constraints- the degree of statistical dependence between or among variables.
Mappings – the relationship between two things.
Feedback – sending back to the user information about what action has actually been done.
Standardizing – increase in ease of use.

LCD TV’s and monitors:
Design Model – LCD TV
User Model – a slim designed TV which supports high definition
System Image – Fancy Packaging to grab the viewers eye.
Affordance – can be expensive compared to non hdtv’s but comes with more features.
Constraints -the warnings that come with the TV, paying for the TV service.
Mappings – how you interact with the TV, watching it, using a remote to change the channels.
Feedback – Your likes or dislikes about your TV. Reviews.
Standardizing – Better picture then old TV’s, Less wires with more functions.

A designer could purposely design something wrong to figure out its design flaws early on. Figuring out these flaws as early as possible help improve the quality of the product.

A paradox in technology would be cell phones. When the phone was first invented know one thought it would be something you can carry with you. Cell phones also phased out wrist watches with its up to date time. People are so lost now a days with out their cell phones.