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.
Also known as a double, a full mattress provides more room for a single person to sleep, but not really enough for two. When divided in half, each person has only 27 inches of space (the same size as a crib). The full mattress is also only 75 inches long, which can be too short for taller people. Full mattresses are great transition mattresses for growing children and young adults. Shop Full Size Mattresses. A full XL mattress measures 54 inches wide by 80 inches long. It's the same width as a full mattress, but measures 5 inches longer. Full XL mattresses are great for taller sleepers who don't need all of the width of a queen, but appreciate the extra leg room.