Which is a good example of a dependent variable? O Time to complete paying a bil

Question

Which is a good example of a dependent variable? O Time to complete paying a bill online Experience level of computer users O Which button layout is presented to the user for testing O Type of interface (e.g. joystick, mouse) used to perform a task Question3 Human factors research is valuable for all of the following except: G) Developing new video compression software to speed up file transmission over the internet Developing a new mouse that controls a pointer in 3D space Making sure people can interpret the meaning of symbols on a piece of industrial equipment Development of a new trackball input method for cell phones

Explanation / Answer

2. The correct option is d. Type of interface used to perform a task.

3. The correct option is a. Developing new video compression software to speed up the file transmission  

4. The correct option is a. Within subjects

5. The correct option is b. Ecological validity.

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