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.
Single size beds are usually 90 cm wide by 190 cm long. Most common sizes for double beds are : 140 cm wide by 190 cm long. 160 cm wide by 200 cm long. 180 cm wide by 200 cm long (less common, but increasing popularity). Due to the popularity of imported beds (especially from Ikea), the 200 cm length is becoming more common.