Whereas adults typically spend about 20% of their time in REM sleep, what percentage of time do neonates spend in REM sleep?

The information-processing model of memory was first proposed by which researchers?

a. Sperling and Hancock b. Baddeley and Sanders c. Atkinson and Shiffrin d. Ebbinghaus and Ebbinghaus

________________________ is the population group most likely to live at or below the poverty

level in the U.S. a. Children under 18 b. Adults 18-55 c. Adults 55-65 d. Adults over 65