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).
1. I have a 1.2kg whole chicken that I wish to roast, on the packet it says it'll take 1h 28m at 200Â°C. The New Best Recipe book recommends cooking a 1.8kg chicken for just 60m, with temperature of 190Â°C for 30m and 230Â°C for about 30 more.