A picture and description of the Think Aloud user test setup can be found in the previously blog post. The user tests took in average around ten minutes and took place in a seminar room of the TU Berlin. As recording technique we choose a piece of paper to document notes such as the behaviours of the test person.
The tasks we performed in our user test can be described as following:
1. Find a predefined picture out of the gallery
The following three tasks are designed to test the intuitional understanding of the navigation. We put alot of pictures into the gallery, more then the user can see on the screen. Thereby the test user had to use the navigation to find the requested picture.
2. Zoom into a predefined picture
In this tasks the user had to go forward to zoom into a picture
3. Select the picture right to the predefined picture
This task is designed to test, if the user is adapting the navigation of the slide-gallery (going left-/rightwards to) also to the fixed modus.
4. Select the picture draw modus
If the user is in the fixed mode, a pop up appears and the user can switch into the drawing mode by putting his hand into the pop up.
5. Draw a smiley
This task measures if the user is enjoying the drawing modus.
User 1: Male, 25 years old, computer science student, high experience with natural user interfaces, no experience with public display applications.
1. Find a predefined picture out the gallery:
It took a while to find the requested picture, because in the beginning the navigation was not clear to him. But without any hint he found out how to slide the gallery.
2. Zoom into a predefined picture
While doing the first task he found out how to zoom into a picture. So this task was pretty easy to him. But it looks that the navigation is quite clear to him after a short understanding phase.
3. Select the picture right to the predefined picture
In theory it was easy for him to select the right picture, but due to the fact the navigation accuracy has still improvement potential it took a little time.
4. Select the picture draw modus
The selecting of the drawing modus took a time, because he left the fixed mode, which is necessary to join the drawing mode. After a hint to go into the fixed/zoomed mode it also took a little time to understand how to join the drawing mode. Also it was not easy to him to hit the pop up, because it appears on a hard to reach area.
5.Draw a smiley
Drawing a smiley was not easy for him, because first he was not able to understand were he currently is painting (the position of the brush / his hand).
User 2: Female, 23 years old, bwl student, medium experience with natural user interfaces, no experience with public display applications.
1. Find a predefined picture out the gallery:
It took some time to find out how to handle the navigation. But after some time she find out how to handle the navigation and the task was successfully finished.
2. Zoom into a predefined picture
Well done after found out how to handle the navigation (task 1).
3. Select the picture right to the predefined picture
Worked
4. Select the picture draw modus
Could not join the drawing modus without hint.
5.Draw a smiley
Drawing a smile worked good for her, but she said it would be nice to have some more features like having new colors.
Major issues and solutions:
Huge learn phase -> Having a help function
Navigation accuracy -> More work on this task
Drawing Mode, where do i have to draw? -> Drawing hand
Drawing Mode, more colors.
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