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 size beds are 54â³ (137 cm) wide and 75â³ (191 cm) long, making them smaller than a standard queen size bed that measures 60â³ x 80â³ (152 cm x 203 cm). The following picture is a handy reference for â and easy visual representation of â all the different bed sizes: twin, full, queen, king and California king size.
A twin-size bed is designed for one person. The main size difference between a twin bed and a full bed, also known as a double bed, is the width. A full bed offers more space from side to side, but certain twin beds are longer for taller users. A regular twin-size bed is 39 inches wide and 75 inches long, and is made to accommodate one adult or child.