AP PSYCHOLOGY

Detailed explanation-1: -Deregowski in attempting to account for cultural differences in perception of pictorial depth (studies 1-4), believes that non-Western tribal people lack the ability to perceive and integrate depth cues in pictures. Deregowski believes this inability is due to some form of learning or lack of learning.

Detailed explanation-2: -(a) Deregowski (1972) investigated whether pictures are seen and understood in the same way in different cultures. His findings suggest that perceiving perspective in drawings is in fact a specific cultural skill, which is learned rather than automatic.

Detailed explanation-3: -The factors determining visual acuity in a healthy eye are chiefly refractive error, visual angle, illumination, or rather brightness, contrast and period of exposure. Subordinate factors are irradiation, color, glare, width of pupil, attention and fatigue.

Detailed explanation-4: -Within psychology, size constancy occurs when an observer is familiar with an object, so that the object appears to have a constant size when viewed from various distances. For example, people are familiar with doors, so they are perceived to have a constant size regardless of the distance observed from.

Detailed explanation-5: -Biological ageing can affect our visual perception system, including the development of presbyopia, floaters, cataracts, glaucoma and age-related macular degeneration .