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.
Save. The most important difference between twin beds and full beds is width. Each is 75 inches long, but full beds are 54 inches wide while twin beds are 39 inches wide. The key question is, Do you need more space in the room or more space on the bed?