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.
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.