Jim understands that to remember something, he needs to use rehearsal. Jim is demonstrating metamemory

Which of the following statements about the breech position is true?

A) Cesarean delivery is never justified when the baby is in the breech position. B) The breech position decreases the chance of squeezing of the umbilical cord. C) Certain breech babies fare just as well with a normal delivery as with a cesarean. D) The breech position decreases the chances of head injuries during delivery.

In adult humans, successive exposures to moderately low doses of amphetamine have been shown to produce

a. intensification of most of its subjective effects b. tolerance to all of its subjective effects c. intensification of some of its effects while other effects exhibit tolerance d. virtually no tolerance to amphetamine's subjective effects