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).
â¢Preheat oven to 450 degrees F (230 degrees C) and cook whole (thawed) chicken for 10-15 minutes. â¢Then reduce the temperature to 350 degrees F (175 degrees C) and roast for 20 minutes per pound.(Do not add the extra 15 minutes to the cooking time as with the regular method.).Then reduce the temperature to 350 degrees F (175 degrees C) and roast for 20 minutes per pound. (Do not add the extra 15 minutes to the cooking time as with the regular method.).