People who are bilingual show __________ intelligence compared to people who speak one language

Rules of thumb that do not guarantee a solution but may help bring one within reach are called ______

a. algorithms c. heuristics b. problem states d. functional sets

An increase in slow-wave sleep following vigorous exercise is evidence for the idea that:

a. sleep has survival value b. sleep functions to repair and restore the brain and body c. dreaming is a function of random brain activity d. the purpose of dreaming is wish fulfillment