IEGR 360 Ergonomics and Workplace Design Fall 2017 Assignment VIII Due: 11/16/20
ID: 3480682 • Letter: I
Question
IEGR 360 Ergonomics and Workplace Design Fall 2017 Assignment VIII Due: 11/16/2017 Chapter 7: Cognitive Ergonomics I. What are the different types of attention? Clarify each of them with practical examples. 2. Name different types of controls. Of the available types, which do you think is the easiest to operate and more efficient than the rest? How do displays and controls act as complementary to each other? Select a device (may be kitchen appliance, or something else) and based on the general guidelines for preparation of instruction provided in the text, develop an instruction manual for the operation of the device For a character stroke width of 0.35 inch, determine the comfortable viewing distance. 3. 4. 5.Explanation / Answer
Ans. 1 Sustained attention is ability to focus on the specific task for continuous amount of the time without being distracted. Eg playing a video game
Selective attention is ability to select from many factor or stimuli and to focus on one that you want while filtering out the other distractions. Eg listening to the friend in the loud party
Alternating attention is ability to switch focus back and forth between tasks that required different cognitive demands. Eg reading to a book and preparing a meal
Divided attention is ability to process more responses or react to two different demands simultaneously. Divided attention is often referred to multi-tasking. Eg talking to friends while surfing
Ans. 2