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).
If you set the oven at 350 degree, then you will be required to cook the chicken for 35 to 40 minutes. But if you preheat the over at 450 degree, then not more than 15 minutes. But still, its not all about temperature. There are lots of others factors need to be considered when you are cooking chicken.