Add a new page. edit this panel. Top-down and bottom-up theories of perception. Psychologists often distinguish between top-down and bottom-up approaches to information-processing. In top-down approaches, knowledge or expectations are used to guide processing.
Full Bed vs. Queen Bed. A full-size bed is sometimes called a âdouble bedâ or simply a âfull bedâ; it is bigger than the twin bed (a.k.a. single bed) and smaller than a queen-size bed. A full size bed is 54 inches wide and 75 inches long while queen size beds are 60 inches in width and 80 inches in length. 1 Dimensions.
A full-size bed is really only enough space for a single sleeper and at only 27 per person (the size of a crib), full mattresses are a tight fit for two. Plus, they're the same length as a twin, which can be too short for many. Parents are increasingly choosing full sizes over twin sizes for teenagers' bedrooms.