Echoic memory's longer duration means that it is useful in processing

Newborns will produce certain facial expressions depending on the taste of the liquid that they are offered. They smile when offered sugar water and frown when offered quinine. This demonstrates that newborns

a. prefer salty tastes to sour ones. b. inherit their mother's taste preferences. c. can discriminate between various tastes. d. learn to avoid substances that might contain poison.

Compared to employees with only one job, moonlighting employees:

a. are more tired b. have more accidents c. perform worse d. are no different in terms of performance