For the tendency to visually track potential prey, see eye-stalking. Eye tracking is the process of measuring either the point of gaze (where one is looking) or the motion of an eye relative to the head. An eye tracker is a device for measuring eye positions and eye movement.Eye trackers are used in research on the visual system, in psychology, in psycholinguistics, marketing, as an input device for human computer interaction, and in product design. It's All in the Eye of the User: How eye tracking can help answer usability questions. 2  User Experience, Vol. 4, No. 1. 3  Chandon, Pierre, J. Wesley Hutchinson, and Scott H. Young (2001), Measuring Value of Point-of-Purchase Marketing with Commercial Eye-Tracking Data.
Instructions. 1  Larger birds meant for roasting have a heartier taste, while smaller fryers tend to be less flavorful. 2  The jury is in: 400Â°F (204Â°C) is the perfect temperature for cooking a whole chicken.  Depending on the size of your chicken, it should take about 1 to 1-1/2 hours to roast at 400Â°F (204Â°C).
Very generally, you would let them cook for 45 minutes to an hour at 350 degrees F. When checking chicken for doneness, insert a knife or fork in the thickest portion of the â¦ meat. If it is done, the juices will run out clear, if not, the juices will have a pinkish tinge and you should let them cook a little longer. A whole chicken should reach 165 degrees Fahrenheit to be considered fully cooked.    The internal temperature for chicken should reach 160 to 165 degrees F. 8 people found this useful.