__________ is an interdisciplinary field that studies the ways people interact with the machines they use.

"Normal Checking" is not considered to be an abnormal behavior. Which of the following behaviors fall into this normal behavior category?

a) Checking the stove and oven to be sure they are turned off more than 5 times before leaving a home b) Taking 3 minutes to close and lock all windows and doors before leaving a home c) Systematically checking and re-checking an alarm system before leaving a home, regardless if completing the routine makes a person constantly late for work or other engagements d) Waking up 2 to 3 times a night to check and re-check the door and windows locks

Mary is deaf and often uses American Sign Language (ASL) to communicate with others. ASL is processed __________

a) in the left hemisphere of the brain. b) in the right hemisphere of the brain. c) in the parietal lobe of the brain. d) in both hemispheres of the brain.