Baddley and Hitcha s model of working memory places great emphasis on the 1). O a. 1) visuospatial sketchpad; 2) short term memory for visual information b. 1) phonological loop; 2) short term memory for auditory information Oc. 1) central executive; 2) maturation of prefrontal cortex d. 1) central executive; 2) use of strategies and multitasking