Thursday, October 30, 2008

What is in Human's mind


On this module I learned that human being would find someone to blame or something to blame on when an error occur. But most of the time it does not help if the problem is likely to occur. I realized that problems like this can be reduced and as a designer they will have to find a way to prevent errors and improve the safety of the users. (Khon, Corrigan, & Donaldson, 2000)
In addition to that, I learned principles that need to be followed to make systems safer. I learned why accidents happen, how they happen. As a designer I would have to understand the errors that have occurred then and find solutions to prevent the errors from happening in the future. We have to remember that as a designer I might not be the one using the device. I should act as a user and see if I will be able to work on the device. Some designed are designed for special people like blind or people with no figures.
As a designer I learned that I have to evaluate the system before I release it to make sure that it meets the user’s needs. Check on the client and get the feedback from them and see if the client is satisfied. The other reason for evaluation is to see if there are any errors that need to be cleared. (Wette, 2008)
Finally, I learned that errors can occur as the user start working on the device and some occur later on as the user is at the middle of using it and most of the time those errors will occur due to poor installation. (Khon, Corrigan, & Donaldson, 2000)

Reference
Khon, L., Corrigan, J., & Donaldson, M. (2000). To Err Is Human: Building a Safer Health System. National academy press.
Wette, E. (2008, October 29). Franklin University Proffesor. Class meeting . Columbus, OH, USA.

Wednesday, October 15, 2008

Observations of HCI issues


In this module I learned the scope of issues affecting human computer interaction and the importance of user interface, the impact of good and bad user interfaces. I learned how diversity of user and tasks affect the design of user interfaces. (Dix, Finlay, Abowd, & Beale, 2004)
I learned that as a designer I would have to work in a diverse area like human factors and graphic design to be able to understand what I need in order to design a good interface. (Dix, Finlay, Abowd, & Beale, 2004)
Moreover, I learned about paradigms and how it promotes usability and interactive system. I also learned about the evolution of paradigms which gives a good practice on the history of interactive computing. Another thing that, I have learned that sometimes paradigms can be successful and sometimes might not get a clear reason why they support a user in accomplishing some tasks. (Dix, Finlay, Abowd, & Beale, 2004)
Finally, I realized that humans are the most unpredictable part when it comes to system design since they have higher failure rates under high stress level. Thus the design must provide an appropriate level of feedback without overloading the user with too much information. (Norman, 2002)


Reference:
Dix, A., Finlay, J., Abowd, G. D., & Beale, R. (2004). Human computer interaction (Third edition ed.). Essex, UK: Pearson education limited.
Norman, D. A. (2002). The design of everyday things. New York, USA: Basic books.

Monday, October 13, 2008

Norman 1 course Blog entry


I have learned the interaction between a computer and a human being.
Learn how to design a product that will effectively interact with a person and allow them to be able to finish the job specified.
I have learned how we can use Norman’s execution evaluation model and interaction framework that extends it, to analyze the interaction in terms of how easy or difficult it is for the user to express what he wants and determine if it is done.
I have learned the use of ergonomics when designing an interface, different types of interface and the importance of each one of them and if not properly used it can affect the effectiveness of the interaction. I have realized that when building a system I should make sure that it is interactive and usable. One can say the system is interactive or usable only if the system enhance.
This site takes you to a Bow – wow books for kids’ site. But once you get on the site you will be like where am I? Where am I going? It is supposed to be children’s web site but it is beyond terrible because there is nothing there.
http://www.bow-wowbooks.com/home.html
I do believe that kids’ sites should have some interactions like sounds. Well it’s a book site. Maybe someone reading the book as the kids follow. Puzzles and other games.

A child will not spend one second trying to figure out how to navigate this site. It took me a minute to figure out what to do on the site.