...Constancy vs. Color Constancy Lightness/brightness constancy: Level of light changes Image on retina different Colors perceived the same Color constancy 16 Unit VI: Perception: Perceptual interpretation Perception and the Human Factor Human factors psychology Help design appliances...Perceptual constancy, the tendency of animals and humans to see familiar objects as having standard shape, size, color, or location regardless of changes in the angle of perspective, distance, or lighting. The impression tends to conform to the object as it is or is assumed to be, rather than to the actual stimulus. Now all your applications are in and right about now, you're starting to worry about the next step… INTERVIEWS . No need to panic. The first step is just to take a deep breath. Applying to graduate school in clinical psychology is a long and stressful process. Once you've gotten your applications in.