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Assignment 4

I can't believe that I have actually finished the assignment AND managed to get it posted.
This semester has been a HUGE learning curve for me. I can honestly say that I have enjoyed the challenge.
I posted my powerpoint through AuthorStream & it has altered it slightly. The slide with the flow chart didn't have the black strip along the top, but now it does. It does effect the slide slightly, but you get the general idea.

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Readings Task 4

Learner Control, Cognitive Load and Instructional Animation
Hasler, Kersten & Sweller.

1. High extraneous cognitive load will have negative effects on the learner.
2. Learner control integrated into the interface design of educational animation programs will improve the efficiency of the program.

Nine Ways to Reduce Cognitive Load in Multimedia Learning
Mayer & Moreno

1. Understanding the function of the human mind is essential to successful instructional design.
2. Reducing cognitive load improves the functionality of the interface leading to improved outcomes for the learner.
   

Readings Task 4

Gestalt Theory in Visual Design
Chang, Dooley & Tuovinen

1. Applying Gestalt Theory principles will improve the visual design of the interface
2. Applying Gestalt Theory principles to educational programing will improve the usability of the interface leading to improved learner outcomes.

The Effectiveness of Nonverbal Symbolic Signs and Metaphors in Advertisements: An Experimental Inquiry
Eric D. DeRosia

1. Appropriate use of metaphors reduces cognitive load in motivated recipients.
2. Motivation of the recipient is a key element required for non-verbal symbolic signs & metaphors to be interpreted as intended by the advertsier
   

Assignment 3.

This is the article I used for the assignment 3.

http://jite.org/documents/Vol4/v4p189-205Peslak38.pdf

Peslak,A. (2005) A Framework and Implementation of User Interface and Human-Computer Interaction Instruction. Journal of Information Technology Education, 4, 189-204

I found the whole subject matter very interesting. The more I got into it the more I could have added. I had to draw a line somewhere.

iphone/itouch: how does the image change when the unit is turned on it's side?

My son has an iphone & it has always fascinated by how the screen works moving it along with his fingers & zooming in & out & of course how the image changes when it turned. Now I know! (Sort of)
The technology used to enable the image to move when the unit is moved is called a 3-axis accelerometer. The processor in the unit senses that the unit has turned & the accelerometer alters the image to the desired orientation.
I admit that I got really bogged down in the technology around what the 3-axis actually do. I really was a bit beyond me, but I got the basic concept.
It really is an amazing piece of technology. Maybe I might get myself an iphone one day! I will have to just learn how to do more than just turn it on first!